OpenTechnical

OT-2026-000021414

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed 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-2026-000021414) never changes.

Identity and time

Publication numberOT-2026-000021414 · never reused
Internal UUID01a0ae6f-865d-7a7a-8e48-49a65e340b4f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021414
StatusPUBLIC

Content hashes

Canonical text4a7fff04b3599724ea19070a70e7acb6184012f83b2872c78d0a9ff9579669dc
Markdown104bd0e1dc969a24fadf84c8f666842c66fae201c29b6bad63ce975a4b240caa
PDF
Publication page12ce2be00795b7cbcb68d0c6cc80680f29bd4130549ddc74b7b6fea99dba9816
Manifest7a2a42cb3af534d08e55156618ab76d1eaa243d4e86d356d61329f621747020d

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
SignaturecAYMZU7wUNxqfn9zyvEBrgTS4fTWxYbhwMRLXycXJ3hf4o64/a090C0PXcVwA5drCZEBlu7G6WkrohP+sl6GBA==
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

2026-09-17T11:55:18.864157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021414
observed 12ce2be00795b7cbcb68d0c6cc80680f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:18.838863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021414/manifest.json
observed 7a2a42cb3af534d08e55156618ab76d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:18.813802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021414/publication.md
observed 104bd0e1dc969a24fadf84c8f666842c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:18.788089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021414/publication.txt
observed 4a7fff04b3599724ea19070a70e7acb6...
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.