OpenTechnical

OT-2026-000061153

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum 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-2026-000061153) never changes.

Identity and time

Publication numberOT-2026-000061153 · never reused
Internal UUID01a0ae8b-137e-7d5f-9c5b-dc7c385f196d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061153
StatusPUBLIC

Content hashes

Canonical text571e7e5cbcf116be96b8d17ae8314bf00d7a9aaa3b7ba812ec0de43a2676f73f
Markdown1d5618dfba92768bbf205f53f0274e274ab824a0aed7485ec900d9dd4a17f97d
PDF
Publication page6b6b822f094aadba7932f930087270085f85c7f289d5c9ada72a7d1ddeaf13bf
Manifestad822d5f304b5fd6b0d7d3238a076e1dd22d6e319fc0f019b3ff7e3940c54a59

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
Signature96DlSADmilD98j3q1G+G1AHm/TtbFBlnptlXa5ZUeFQBCRxkElzrGtFF5KMD8u4WZRjy1nT8/AapuPOtsOwpAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:32.228428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061153
observed 6b6b822f094aadba7932f93008727008...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:32.210330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061153/manifest.json
observed ad822d5f304b5fd6b0d7d3238a076e1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:32.192244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061153/publication.md
observed 1d5618dfba92768bbf205f53f0274e27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:32.173538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061153/publication.txt
observed 571e7e5cbcf116be96b8d17ae8314bf0...
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.