OpenTechnical

OT-2026-000070933

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, supply line 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-2026-000070933) never changes.

Identity and time

Publication numberOT-2026-000070933 · never reused
Internal UUID01a0ae91-8c2d-7854-832c-220df8679be3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070933
StatusPUBLIC

Content hashes

Canonical text134f5e67a3f39e4bed9a8cb88b42f83324ced6cd639d413031506b2b7d93166d
Markdownbeb5aeb51d35264d30586e39ee9598bc55730340a3aad8e82e8ff20cfe1ea3d2
PDF
Publication page1376cce79e596078f0035ee5aa6baf0c761bbf04f0c59d27a7f23ac266bdd2f2
Manifesta8c38b6f98445f352e485fe90d8e62e57e6b256220dc7cd5b4e7fc820f07bfe6

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
SignaturegNGrrrX2xnvRRnN6K3YDl8z5JH6Gw2SLlePRIEOtFrlx2cBn3Ig2J3dd66lddTUyp8cbjj9jr2KmDz09gJnaBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:44.981792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070933
observed 1376cce79e596078f0035ee5aa6baf0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:44.965162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070933/manifest.json
observed a8c38b6f98445f352e485fe90d8e62e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:44.948170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070933/publication.md
observed beb5aeb51d35264d30586e39ee9598bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:44.930924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070933/publication.txt
observed 134f5e67a3f39e4bed9a8cb88b42f833...
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.