OpenTechnical

OT-2026-000078064

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, vented 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-2026-000078064) never changes.

Identity and time

Publication numberOT-2026-000078064 · never reused
Internal UUID01a0ae95-6e8c-790c-b3ce-3606359511cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078064
StatusPUBLIC

Content hashes

Canonical text10a7098507f0c970b7107f849f7209ab412d386ce5131fbc4564549a30bfa3a5
Markdownde19b9f72af01c744cefbe08d31ec143f6a6079b5b84ecea0853d519095e4bc0
PDF
Publication page9ff86fde6355d669b2ca8552558fb3f91809f5cd1ad2d0872d5b6e358761d5cf
Manifest599f49ae0a2132be33baa048b805e6d2bcf149697791e220392ba49e73277357

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
SignaturecrFjW0+m29k2RgDb4ofc/ypYFW+AwPmjoMJTkIhlwfqQP1ySkesqWEuYcT7qbf8ulDDVUixqX1NtjmArA0GtDA==
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

2026-09-17T10:06:46.193893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078064
observed 9ff86fde6355d669b2ca8552558fb3f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:46.172066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078064/manifest.json
observed 599f49ae0a2132be33baa048b805e6d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:46.149615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078064/publication.md
observed de19b9f72af01c744cefbe08d31ec143...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:46.129813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078064/publication.txt
observed 10a7098507f0c970b7107f849f7209ab...
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.