OpenTechnical

OT-2026-000081138

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000081138) never changes.

Identity and time

Publication numberOT-2026-000081138 · never reused
Internal UUID01a0ae96-b977-7b43-875d-f6a84723b439 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081138
StatusPUBLIC

Content hashes

Canonical text4bfd46c369882d8ad48f0de5736dbcc77edfb9577dc5f6f98c420d64f46e0e4b
Markdown5014b7945b5ea3f26ec0d3ea1852259aee32877acbeefb4ba47e15b8a78540e0
PDF
Publication pagea17f6a30cf43856558f4ae53a103b86d4ea0c2553d8df5156a05458e94883d90
Manifestc792e784dceaf2e09be0bc1010a3882056d87cd181955aeddec60ed872d6409b

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
SignatureX1C8varaR2lO/Li1kwXISgARLWW8sXamY/TVgQeC6aB8sLCUrCv7g+zXxsB9YWJ5Wjv9dTG458JH76Ep13UqBg==
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

2026-09-17T10:02:27.124568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081138
observed a17f6a30cf43856558f4ae53a103b86d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:27.107591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081138/manifest.json
observed c792e784dceaf2e09be0bc1010a38820...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:27.090435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081138/publication.md
observed 5014b7945b5ea3f26ec0d3ea1852259a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:27.073631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081138/publication.txt
observed 4bfd46c369882d8ad48f0de5736dbcc7...
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.