OpenTechnical

OT-2026-000101904

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, pump fed, pulsed 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-2026-000101904) never changes.

Identity and time

Publication numberOT-2026-000101904 · never reused
Internal UUID01a0aea4-50f0-7c2c-9830-5dbe64a0cfff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101904
StatusPUBLIC

Content hashes

Canonical texte9a59604979236c2409007741c3ae6c3fd087bf8cfe90294d3da33e01d7b077c
Markdown53f3fe5f761605d8eeffef3261e10da318ebe3b74b7e50fe5fd66c0d29271683
PDF
Publication page6c17f6b376aabdc469719e7cb0f056210753a547f643cb6a81273bf8e8d03860
Manifestc8a9748a1c3925a235cb5181444dc27461fe912f49235f84af7f8527ef6f6036

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
SignatureBfcnjmnkTjrNBBrBYN8r4Fkbcf+SMxZ7GCfBkK8RpPDT79EAHFW1g/LDCeZW+cnjnFRRnlJV73zUJVNl4ulPAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:30.849386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101904
observed 6c17f6b376aabdc469719e7cb0f05621...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:30.831775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101904/manifest.json
observed c8a9748a1c3925a235cb5181444dc274...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:30.814207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101904/publication.md
observed 53f3fe5f761605d8eeffef3261e10da3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:30.796216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101904/publication.txt
observed e9a59604979236c2409007741c3ae6c3...
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.