OpenTechnical

OT-2026-000049690

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000049690) never changes.

Identity and time

Publication numberOT-2026-000049690 · never reused
Internal UUID01a0ae81-8fee-7d5d-b99a-fbbaf9124423 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049690
StatusPUBLIC

Content hashes

Canonical text491125657bfb1281b05af9b3671dcd21a125326540eb3d17fabb99897ed9760e
Markdown5bd908ba9b4a1822403d5033099e1e0b1369e7866ca409f6a4e0f76107797ccd
PDF
Publication page530ff3743a41305a2ac426e60d52a39d00c619ba69c0f2c41bdd79f39f2530e9
Manifestd3e1f4d0b521ef6816efa1237bb43805508d313c2e7d4ac4b43f63d182e050e6

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
Signaturen8VjUICQizRdjRVcOTv0is9Rq4Z7CdNZgRiiX5NVYu9wKnYmykKn+aigLjNCo5ZID//L63i+c5MfSP96MB9zCw==
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

2026-09-17T11:02:42.064375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049690
observed 530ff3743a41305a2ac426e60d52a39d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:42.047652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049690/manifest.json
observed d3e1f4d0b521ef6816efa1237bb43805...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:42.028602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049690/publication.md
observed 5bd908ba9b4a1822403d5033099e1e0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:42.010048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049690/publication.txt
observed 491125657bfb1281b05af9b3671dcd21...
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.