OpenTechnical

OT-2026-000074784

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000074784) never changes.

Identity and time

Publication numberOT-2026-000074784 · never reused
Internal UUID01a0ae93-ac2c-71b5-9d98-9487c44172a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074784
StatusPUBLIC

Content hashes

Canonical text85fed5fd85e5f504294ae25168446f3f0fffe916c0131dbac372f8487258e8e7
Markdown2e815794e0c0ca0aea1067c40740e3f9efb9e68f7b2b04a9a5f49c6ceb15c525
PDF
Publication page2591832ee1bb9d6463fc31930f5bc83b540dac0511d3aa1a5cbd2b8e70dac6cb
Manifest9ec518c074d30fb02c8a2f2368786032f9aa19df644dd6daf5007f6a77896ae2

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
SignatureB/D9KrHT7b0uLw55AB9RczpEWkw4yBMnZrmkTmN5vp1Jah8RWg+Xjf2ukX+o+MmycVq7sMpp7fAFL2vFaRoRBg==
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

2026-09-17T10:18:28.954065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074784
observed 2591832ee1bb9d6463fc31930f5bc83b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:28.934443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074784/manifest.json
observed 9ec518c074d30fb02c8a2f2368786032...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:28.914754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074784/publication.md
observed 2e815794e0c0ca0aea1067c40740e3f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:28.897097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074784/publication.txt
observed 85fed5fd85e5f504294ae25168446f3f...
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.