OpenTechnical

OT-2026-000027254

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000027254) never changes.

Identity and time

Publication numberOT-2026-000027254 · never reused
Internal UUID01a0ae72-6996-7102-ae64-2e99a3c68c4f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027254
StatusPUBLIC

Content hashes

Canonical textdb0e756c605bb78f56b78d8f7e7002b13df7d7090fc2ba3011a77c6a46f621b3
Markdownab6177804b7bbfe010862d3b4677e01379951b39ef8a707358e2c4e941b530b5
PDF
Publication page190d2e4d6de5966bfdce54084014c93529877df1670795a65705a1fe467580d2
Manifest660cb0d033ba7cad0650939001c44cb97b8030ee7438871c497bfe999aa4d60b

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
Signature2eG2kBk9+VMiMHsoK9Y9bogHDsTB668VPJHSAB/51PRBhgRNpIyCySudzmqMTezyU47vMzThwlavGucBl7J5BQ==
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

2026-09-17T11:42:37.472284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027254
observed 190d2e4d6de5966bfdce54084014c935...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:37.457626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027254/manifest.json
observed 660cb0d033ba7cad0650939001c44cb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:37.441995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027254/publication.md
observed ab6177804b7bbfe010862d3b4677e013...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:37.425102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027254/publication.txt
observed db0e756c605bb78f56b78d8f7e7002b1...
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

Custody packagePending Custody packages are produced weekly.