OpenTechnical

OT-2026-000025462

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000025462) never changes.

Identity and time

Publication numberOT-2026-000025462 · never reused
Internal UUID01a0ae71-5fa8-71ce-bf9f-3bcf4348aa1f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025462
StatusPUBLIC

Content hashes

Canonical text2212f6d65e19a733db666a4c5afb21fa77b49ece04f5ca45908c08f36ddcc26d
Markdown42db0065f3c858a1eeeec87fc12dd08725ca973b058d6232ac12b2e5ffdd2f25
PDF
Publication pageb9b4990e868ca68a4cc21024791b1292da473ca3e68c4e77d9b940b5fe25604a
Manifestec78e465d12ce80678f868fb502efe608ab91c061988900454cb89f8415876bc

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
SignatureSctUmJu6IkV8G/GEFRdUaBAiUaBxEOAEZIiCMSsgeaDD7w/f5biwhn5E+BWTzVJPDSrUnKAWdvHNrtpmlXtABA==
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

2026-09-17T11:47:32.882148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025462
observed b9b4990e868ca68a4cc21024791b1292...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:32.861234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025462/manifest.json
observed ec78e465d12ce80678f868fb502efe60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:32.844897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025462/publication.md
observed 42db0065f3c858a1eeeec87fc12dd087...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:32.826749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025462/publication.txt
observed 2212f6d65e19a733db666a4c5afb21fa...
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.