OpenTechnical

OT-2026-000080631

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, 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-2026-000080631) never changes.

Identity and time

Publication numberOT-2026-000080631 · never reused
Internal UUID01a0ae96-7e79-79a2-bc36-bba49b96ca2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080631
StatusPUBLIC

Content hashes

Canonical text72f92aa94ee7964806d3e681c4e06a49483fcdd9576504f23ff25a9df3539aab
Markdownf03f9d14862b1e926cfbcfe49e01f3e618ddce164b66ef92d594e59bc2a210cb
PDF
Publication pageba9eb9c6229d0f23a1121d27fb5ad51b694dbfbe358299a0fdcb983d5383f0e4
Manifest3abce0789607ccfc91950077703e64318b927b52c82b0e88b12c0ea328ad52b1

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
SignatureWXuBZzwnRH0ZVFa2L5gcxUGHHoIte6usdUH0AQURS9vuXnJUUvalmusSCWfy/cHaLaPEqX1qDJiej6mgGxu8Bg==
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

2026-09-17T10:03:17.160078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080631
observed ba9eb9c6229d0f23a1121d27fb5ad51b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:17.134503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080631/manifest.json
observed 3abce0789607ccfc91950077703e6431...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:17.107467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080631/publication.md
observed f03f9d14862b1e926cfbcfe49e01f3e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:17.080917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080631/publication.txt
observed 72f92aa94ee7964806d3e681c4e06a49...
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.