OpenTechnical

OT-2026-000027992

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000027992) never changes.

Identity and time

Publication numberOT-2026-000027992 · never reused
Internal UUID01a0ae72-a51f-700b-9ed5-5397f663a14f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027992
StatusPUBLIC

Content hashes

Canonical text8581bdbe9b452e7d2d8eca47cd06214e8efb9d1fdad8875d71eebb8e326455b3
Markdown40f4fb82dcf6a53195abef2db190cb99bf2068d34d46e5571fcce58ca1e3f713
PDF
Publication pageb081e7024f304b336553fef2dd212f5f30745698b9561051fe7c42d817d59844
Manifest75565cf1eed4f59e2ef678cfba7e4a3af1e13a59110b2ed04a9976fa5cd1e4c1

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
Signaturexga4DS5DshfnEbVwzI4EMEQwS8PA/X6lUmLmrl5MlxPbzvkB9waAKq21/Hc9fWaLdaWu54CnPzee4g44vlBzDA==
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

2026-09-17T11:42:11.956849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027992
observed b081e7024f304b336553fef2dd212f5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:11.940527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027992/manifest.json
observed 75565cf1eed4f59e2ef678cfba7e4a3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:11.922553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027992/publication.md
observed 40f4fb82dcf6a53195abef2db190cb99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:11.906119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027992/publication.txt
observed 8581bdbe9b452e7d2d8eca47cd06214e...
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.