OpenTechnical

OT-2026-000050992

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000050992) never changes.

Identity and time

Publication numberOT-2026-000050992 · never reused
Internal UUID01a0ae82-c7b4-7f6a-8985-506751ddc0a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050992
StatusPUBLIC

Content hashes

Canonical textc9547ba936847f0c4fe928374556830711e3c740c8578094f2a0c459956981b3
Markdown9fa570874c851aac57b11f2dabb5e91d0c22d2765c98a3cfcceedaa7e692069a
PDF
Publication paged42e7c2ddb12eea002b364fa36ca751530d73a1a97f44e0df7a1b6861c5258e9
Manifest63eb8b4c94f840cfbb48c6ab9649d4554af87543f9160edab50a887838cee484

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureSPfFeoMfuXL6umdzS+ZjOG+3BLrYYO/ds+ccW+lBMcBXLcxr4CSJcd+8t/A4EZymCqwJkPpfQh8rm29M4/PeDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-10-19T04:41:15.676411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050992
observed d42e7c2ddb12eea002b364fa36ca7515...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T04:41:15.572547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050992/manifest.json
observed 63eb8b4c94f840cfbb48c6ab9649d455...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T04:41:15.521546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050992/publication.md
observed 9fa570874c851aac57b11f2dabb5e91d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T04:41:15.461834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050992/publication.txt
observed c9547ba936847f0c4fe9283745568307...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-18T04:23:45.598842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050992
observed d42e7c2ddb12eea002b364fa36ca7515...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-18T04:23:45.584487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050992/manifest.json
observed 63eb8b4c94f840cfbb48c6ab9649d455...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-18T04:23:45.561667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050992/publication.md
observed 9fa570874c851aac57b11f2dabb5e91d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-18T04:23:45.539107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050992/publication.txt
observed c9547ba936847f0c4fe9283745568307...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent