OpenTechnical

OT-2026-000032655

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, pulsed blow-off before 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-2026-000032655) never changes.

Identity and time

Publication numberOT-2026-000032655 · never reused
Internal UUID01a0ae75-1070-748a-a4cb-a3e0e6fc78e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032655
StatusPUBLIC

Content hashes

Canonical textb1e474c2da15472a70b65285bd4d28f4df4ebb8d590e5331ae1d6c4f1af2da2b
Markdown31034f2df25222174bff2f45e3febe4c1df6401fe51538ced3249b82d0c9f17d
PDF
Publication page2c3f138f34eff24112f15487cf7e8138713479960f815b6c493c654c4cbe52c3
Manifest69adbc35509b237fa85fe02a976328c59bed63f0e8fb46273926377058117237

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
SignaturewTldSHq67N2B44hoUgN8jouzpJLQs4f9o3o+NGWTNli9A9yu/NL9DcOUQ9hS4+9YdPceM/Wp/UkSbdBKTr5vCA==
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

2026-09-26T12:41:02.694398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032655
observed 2c3f138f34eff24112f15487cf7e8138...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-26T12:41:02.636137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032655/manifest.json
observed 69adbc35509b237fa85fe02a976328c5...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-26T12:41:02.569839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032655/publication.md
observed 31034f2df25222174bff2f45e3febe4c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-26T12:41:02.478742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032655/publication.txt
observed b1e474c2da15472a70b65285bd4d28f4...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-25T20:41:14.897637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032655
observed 2c3f138f34eff24112f15487cf7e8138...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-25T20:41:14.819920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032655/manifest.json
observed 69adbc35509b237fa85fe02a976328c5...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-25T20:41:14.732952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032655/publication.md
observed 31034f2df25222174bff2f45e3febe4c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-25T20:41:14.648095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032655/publication.txt
observed b1e474c2da15472a70b65285bd4d28f4...
fetched by grabo-systems from 34.44.131.203, 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