OpenTechnical

OT-2026-000102151

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, two stage ejector, pulsed 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-2026-000102151) never changes.

Identity and time

Publication numberOT-2026-000102151 · never reused
Internal UUID01a0aea4-50f2-7d75-a019-1ee406bd3230 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102151
StatusPUBLIC

Content hashes

Canonical textb882c05e92d19d3b5384125fe9c26b139d1a9b2c0f140d4c01dcbea9a6a2be8f
Markdown0a68c3951336f9f279d8f5b737108d73e3464885d811b7846ab38a2917dce21e
PDF
Publication page5ecf6c7990a559811251d87f61b3b5858ca090b4921c064b61d0ac7608de3ec8
Manifest4f731259c2f4d2072cb3bd6cda930015c3a650635613f3a1cca5e817c212ea6d

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
SignatureNn7SGXhRtP83Ycpi4BoQGyybwXAWkoLyV1surWAruloA4gapmh1l7ZZWewA7Qdrvgs2/sI8udeukRxbsq/hNAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:19.028289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102151
observed 5ecf6c7990a559811251d87f61b3b585...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:19.009447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102151/manifest.json
observed 4f731259c2f4d2072cb3bd6cda930015...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:18.991460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102151/publication.md
observed 0a68c3951336f9f279d8f5b737108d73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:18.971587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102151/publication.txt
observed b882c05e92d19d3b5384125fe9c26b13...
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.