OpenTechnical

OT-2026-000051554

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000051554) never changes.

Identity and time

Publication numberOT-2026-000051554 · never reused
Internal UUID01a0ae83-7c81-70c5-8440-3b9c1dbe84f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051554
StatusPUBLIC

Content hashes

Canonical text560093fa5a8704d74cfa61c711a4fe1a532e7cb116826fa9c225e33db9365f92
Markdown6fd031ceb7ef66fade81efb0906b67c9b0c2ff0786e68c2f6f529d90d14f5805
PDF
Publication pageeba76a3f7a9febcb34d453965a866d3430ecb241888e41bea227f83c66d29d2c
Manifest0d1c288180ad6155897a69d75b48c9f39375b79f7c838fa34d7e937c2941a9ca

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
SignaturegWcfU8BMfaZxmtmBD756EcOmYqzoy8dEE3RoMaTq99xQ+FBByRRB4WPZJjwklQ0zXJjL+quwHi3hI5cHDmAKCA==
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

2026-09-17T10:58:23.311607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051554
observed eba76a3f7a9febcb34d453965a866d34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:23.294061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051554/manifest.json
observed 0d1c288180ad6155897a69d75b48c9f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:23.274952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051554/publication.md
observed 6fd031ceb7ef66fade81efb0906b67c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:23.256957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051554/publication.txt
observed 560093fa5a8704d74cfa61c711a4fe1a...
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.