OpenTechnical

OT-2026-000054082

Publication integrity record

Foam pad vacuum gripper, pump fed, supply line pressure sensor, vented 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-2026-000054082) never changes.

Identity and time

Publication numberOT-2026-000054082 · never reused
Internal UUID01a0ae85-b3a7-7a56-b8a8-0a3bd4dd5704 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054082
StatusPUBLIC

Content hashes

Canonical text11b1620745fe984e36317b2dbdb0d2ed75dc897c96245f717d6b5e53494df5dc
Markdown2d97e68184788c9fefb8544e646343cd715b243760e31ae7975f8ff20aed1e76
PDF
Publication pagebf97d295cddf1ed7e8444caf3d0abc69a54c74012a66f86a419ac1b5d7dd6836
Manifest20d4999ec7dc4bef465b66e21af5659596c7ed21601bfd4c7319553b62b28c35

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
Signature4qqsaEk06fo7ks0mkPznr8EtkzEU470mRLiMVWPqe5ouNxeG99tx4t7fAi3JBqrzy1ePtO59cSeVdk1RFuZLDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:27.896720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054082
observed bf97d295cddf1ed7e8444caf3d0abc69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:27.879059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054082/manifest.json
observed 20d4999ec7dc4bef465b66e21af56595...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:27.861686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054082/publication.md
observed 2d97e68184788c9fefb8544e646343cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:27.841620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054082/publication.txt
observed 11b1620745fe984e36317b2dbdb0d2ed...
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.