OpenTechnical

OT-2026-000043961

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000043961) never changes.

Identity and time

Publication numberOT-2026-000043961 · never reused
Internal UUID01a0ae7b-d678-761f-af22-58d90281b626 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043961
StatusPUBLIC

Content hashes

Canonical text5e3b6b7ee6e5fd5e8ade6ab5445dd1226a9e7e9362ddadac281111b300f8a1d5
Markdownc4039e90689a7f2c051d64b4331422537057aa43ef410eeee5c5e6ffe573f3dc
PDF
Publication page84ea51ae88f33d19a41fdeafdfd714962740613a412ea84d9eb21450b8123d77
Manifestf0b6e4b46ddf1112b48b5ef75b83cb9eb19fdcf942789499f12603e27d063a39

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
SignatureKpCquruUb/aSG6b4ouOcRZS/YNn5s4cLUyahcMM7s9oVACmBKYWCdZZVQHOO5JtWnI7brdZQtnMtEWqV9OOZBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:12:19.142293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043961
observed 84ea51ae88f33d19a41fdeafdfd71496...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:19.122261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043961/manifest.json
observed f0b6e4b46ddf1112b48b5ef75b83cb9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:19.103795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043961/publication.md
observed c4039e90689a7f2c051d64b433142253...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:19.084470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043961/publication.txt
observed 5e3b6b7ee6e5fd5e8ade6ab5445dd122...
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.