OpenTechnical

OT-2026-000051249

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, vented 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-2026-000051249) never changes.

Identity and time

Publication numberOT-2026-000051249 · never reused
Internal UUID01a0ae83-2740-7ec8-9d07-475f608a90ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:05.998905Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051249
StatusPUBLIC

Content hashes

Canonical text85819bf52bbf8de78f3dcbcc82cc731850e7ec9eee6a72b8ae4023aa0a79ee2e
Markdown4de47e3fe5d494548f389f0ebf7d3a748e0ac3bd7b4e02dc741d4aa3dc3e52bf
PDF
Publication pagea7a921944c6fad3497da7efa0f214c4c0498a251966fd80eb22b6ce4a7594567
Manifesta173bc5936069932ce689bcc540549bf44d60774cc75bcffa5f3dd08e690d7bd

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
SignatureSqtdsGmadLrOLnOcxlGIlWmQ0zW15QypmUZ5gq31zYsdc4koyKrqo8LD5a3Gx9sy3qn08PpphOsQDl+jHOiIDw==
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

2026-09-17T10:59:02.733217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051249
observed a7a921944c6fad3497da7efa0f214c4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:02.700695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051249/manifest.json
observed a173bc5936069932ce689bcc540549bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:02.680488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051249/publication.md
observed 4de47e3fe5d494548f389f0ebf7d3a74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:02.648155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051249/publication.txt
observed 85819bf52bbf8de78f3dcbcc82cc7318...
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.