OpenTechnical

OT-2026-000068678

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000068678) never changes.

Identity and time

Publication numberOT-2026-000068678 · never reused
Internal UUID01a0ae90-2483-7a70-91de-73502d7c88c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068678
StatusPUBLIC

Content hashes

Canonical texta86f87e82ac7c2d4da086bf2586ba4778320e52cb5712bce0cd7f67d6e3ba591
Markdown87e1af31d0c895da4693b47eb11645c714877a71ed0aa368e50a57c15c0fd432
PDF
Publication pagee1ea1cab2be30febfbcac5d09d1fa899927086c8ae1c55f63f7e09bfbbf69915
Manifest47d90d687894b3a13033647a8b0544ad3769581836f91f09d5fe0df15646c996

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
SignatureiF/X1C9FupONgpK5gl50vb2XPjQBv6c4Z4n0jfp6Ti8oklrfPCOr8Sk7HD3szWxvETjcaum7JUpi+Z51YoW4Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-10-25T00:41:06.728948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068678
observed e1ea1cab2be30febfbcac5d09d1fa899...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-25T00:41:06.656914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068678/manifest.json
observed 47d90d687894b3a13033647a8b0544ad...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-25T00:41:06.583233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068678/publication.md
observed 87e1af31d0c895da4693b47eb11645c7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-25T00:41:06.505469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068678/publication.txt
observed a86f87e82ac7c2d4da086bf2586ba477...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-24T00:41:54.066766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068678
observed e1ea1cab2be30febfbcac5d09d1fa899...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-24T00:41:54.012584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068678/manifest.json
observed 47d90d687894b3a13033647a8b0544ad...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-24T00:41:53.956469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068678/publication.md
observed 87e1af31d0c895da4693b47eb11645c7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-24T00:41:53.874718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068678/publication.txt
observed a86f87e82ac7c2d4da086bf2586ba477...
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