OpenTechnical

OT-2026-000076682

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000076682) never changes.

Identity and time

Publication numberOT-2026-000076682 · never reused
Internal UUID01a0ae94-b06f-710c-b0ee-53f6f592b2b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076682
StatusPUBLIC

Content hashes

Canonical text60aa926571efa46a4c9189cba8904a9d9396a3bc381497c8528fcc7c9582a4f3
Markdownae5a1d9a23d725d4d91135d17d0d0c106189c70ce75006504ee728ae612963f6
PDF
Publication page4260867d7ae68b61990bae87ca6b702efc12984f98c4c53c3898456cfa9e28a2
Manifest959267e41fa8b472cee6d042d559eee0dc04fe23f570d5674b0b9cc0a2d06d9c

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
Signatureeyk0ZGDMpu4WQU4Vl/pDqLf6pd0piN7Dx9ep2t0MEUnr9KQtbGW2DfyWYWwQn0R2srPqtKXiWICDLzJS75JbCw==
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

2026-09-17T10:09:26.137670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076682
observed 4260867d7ae68b61990bae87ca6b702e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:26.117557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076682/manifest.json
observed 959267e41fa8b472cee6d042d559eee0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:26.097899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076682/publication.md
observed ae5a1d9a23d725d4d91135d17d0d0c10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:26.079318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076682/publication.txt
observed 60aa926571efa46a4c9189cba8904a9d...
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.