OpenTechnical

OT-2026-000071321

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two stage ejector, 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-2026-000071321) never changes.

Identity and time

Publication numberOT-2026-000071321 · never reused
Internal UUID01a0ae91-e0ec-7c7c-a6a1-a91197a5b54c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071321
StatusPUBLIC

Content hashes

Canonical text5040bd57b184744c99c334e5b9b3b1f0169421c105390150c59fd2d7ce78c4ed
Markdownc93f56f3bbb7ec8ceaf76977817957666ed30563e4bca2d8413f31718f141bdc
PDF
Publication pagee81a26debcadba047b8ef1c6e9da07bf9d21d35206b15eedddb79bd8fde315a3
Manifest98f9ee017ccae3f9dfc6ebc1e90478ff5ac9653b24177c666d6e97b0f07a632d

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
Signature0u7bz6VuozeZ2L7RAP8wznLfMfjJdCT5iI2Pp3yC15TLPW4su+5cUDofFNRUHZM3aKZ4SmHbQTKnSdB+WWklAA==
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

2026-09-17T10:24:54.741604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071321
observed e81a26debcadba047b8ef1c6e9da07bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:54.722564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071321/manifest.json
observed 98f9ee017ccae3f9dfc6ebc1e90478ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:54.702931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071321/publication.md
observed c93f56f3bbb7ec8ceaf7697781795766...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:54.684713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071321/publication.txt
observed 5040bd57b184744c99c334e5b9b3b1f0...
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.