OpenTechnical

OT-2026-000021667

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, three stage ejector, pulsed blow-off before set-down

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-2026-000021667) never changes.

Identity and time

Publication numberOT-2026-000021667 · never reused
Internal UUID01a0ae6f-bb59-7eff-85df-a87ec57315d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021667
StatusPUBLIC

Content hashes

Canonical text05e3e2f6c3f85dee486c1fc1fcecc17055a10d9aa4147f6086ece7c2e9ef0bc0
Markdown093809a679863472f84e5b68ef323e4952a3e88a095807ae5cd682e7950e25f1
PDF
Publication pagef50856f8f66e200c60ca25326b939fe45e763db2383448076f40d5b7ae40af61
Manifestcde422b91512fae1cd0e6ca2a6585a2e7113d2b2485e06aa729ed180a110068e

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
SignatureHWTdCjX+puUhDt10vgjpVcsGEYNeBVDIzLF+Egz83j5Cl2H+cSWnzgkvx+DoOoid2ROca3BxhuYEgi1uMtZwDA==
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

2026-09-17T11:54:07.065367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021667
observed f50856f8f66e200c60ca25326b939fe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:07.047560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021667/manifest.json
observed cde422b91512fae1cd0e6ca2a6585a2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:07.030586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021667/publication.md
observed 093809a679863472f84e5b68ef323e49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:07.012690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021667/publication.txt
observed 05e3e2f6c3f85dee486c1fc1fcecc170...
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.