OpenTechnical

OT-2026-000060466

Publication integrity record

Foam pad vacuum gripper, 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-2026-000060466) never changes.

Identity and time

Publication numberOT-2026-000060466 · never reused
Internal UUID01a0ae8a-b7cb-7c70-9530-d932a84b0113 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060466
StatusPUBLIC

Content hashes

Canonical text29e87853653d92e969e754d74f866c0fa49ea43b79f0470a1595c1594603a54a
Markdownc9267f96bd17713c364f57f1d3604f1568fb5eff88e4f79a8345921a9d53bd37
PDF
Publication pagef6def8ff1aac02e20db7d2011fc96c361441f51872057f5433dade69a9fa4cc5
Manifest124d2b2528d46352778eb1ca041348890ef58c7537a5d0d999467ae4fe752526

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
Signature5PhwtXnM0lDyh8wtTxHEf3kS4JMQhoJxrEbSnsDzjyvuR4lPHaoKW0HkZOzzxYfRCUhUtky6Jbnrb4HKcm0aDg==
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

2026-09-17T10:42:57.262603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060466
observed f6def8ff1aac02e20db7d2011fc96c36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:57.245101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060466/manifest.json
observed 124d2b2528d46352778eb1ca04134889...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:57.228280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060466/publication.md
observed c9267f96bd17713c364f57f1d3604f15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:57.207428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060466/publication.txt
observed 29e87853653d92e969e754d74f866c0f...
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.