OpenTechnical

OT-2026-000064220

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000064220) never changes.

Identity and time

Publication numberOT-2026-000064220 · never reused
Internal UUID01a0ae8d-a45f-7898-84ac-c2c94e4a3a51 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064220
StatusPUBLIC

Content hashes

Canonical text6558a1abf7ae9b4524ffd14bfda890343b4c742be8aa6fe51614d318d544a1f0
Markdowne5847a5dda6f119614e837ee39ecca9acf3454ab67fc6148723f04da41f11dc8
PDF
Publication pagea2a0802de55cb908f42611028d2167e2692c5f550ca40847113d9d7933c1da54
Manifest6d1f387ef0940094348a31468a942477256e751bf1df5415d0402591b1b8e63f

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
Signaturey+B/SLXY2ZE2G7+myKyTGrPyLP/hjBVQItLfKAzecmozPojaGftJgvuZ+mwwgmpPh6SMZnXmd76TrbsVQWqZCA==
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

2026-09-17T10:36:20.497639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064220
observed a2a0802de55cb908f42611028d2167e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:20.479239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064220/manifest.json
observed 6d1f387ef0940094348a31468a942477...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:20.460422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064220/publication.md
observed e5847a5dda6f119614e837ee39ecca9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:20.443352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064220/publication.txt
observed 6558a1abf7ae9b4524ffd14bfda89034...
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.