OpenTechnical

OT-2026-000077928

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000077928) never changes.

Identity and time

Publication numberOT-2026-000077928 · never reused
Internal UUID01a0ae95-2ed1-7a4f-84e9-b076fac37699 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077928
StatusPUBLIC

Content hashes

Canonical text1bbb0a8aebabb6d22edc9e021ddc7eeb7f8aaba3f5fb5938cea0479fc17a4bcb
Markdown42a1eebddfb5058bc9203dc46a34057eca50c1baacd2af44c7b76afefed47d21
PDF
Publication pagead04762c1e94e969e96fca196d2106069e070fa54a4e666894fd253e907be99e
Manifest7741321f4a357efeef7658ff97ba99dfefb53416c41cb6d307e60dcc496d0438

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
SignatureQQDHY3Pa/ipVhOuMFImXAXBdIppy+TEFUBBx19SIx1unXCviysraEXjdNLJz3ZF+Evz8QlKMJ2pppAbxNTg1Cw==
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

2026-09-17T10:10:12.013174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077928
observed ad04762c1e94e969e96fca196d210606...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:11.988181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077928/manifest.json
observed 7741321f4a357efeef7658ff97ba99df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:11.968302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077928/publication.md
observed 42a1eebddfb5058bc9203dc46a34057e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:11.949506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077928/publication.txt
observed 1bbb0a8aebabb6d22edc9e021ddc7eeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:12.378323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077928
observed ad04762c1e94e969e96fca196d210606...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:12.359430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077928/manifest.json
observed 7741321f4a357efeef7658ff97ba99df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:12.340129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077928/publication.md
observed 42a1eebddfb5058bc9203dc46a34057e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:12.320348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077928/publication.txt
observed 1bbb0a8aebabb6d22edc9e021ddc7eeb...
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.