OpenTechnical

OT-2026-000075092

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold 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-2026-000075092) never changes.

Identity and time

Publication numberOT-2026-000075092 · never reused
Internal UUID01a0ae93-ac2e-740f-8b42-3c43ed2c51db · 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-2026-000075092
StatusPUBLIC

Content hashes

Canonical textdd06c3e5183bd83043005ba844e4db94944a5238fa8e0ac19ddee45656be19c9
Markdown0788a6e3689c1b5b8907ec5c2617ce30328845be645a5369ad8c502dd55cdd7f
PDF
Publication page6800581ca48c02fdc5e0aa948443d58958155a438b6726f66fd5be79785a6744
Manifest72e84851b357c2431a5e03310d6f4994e78d65913ad99efff2250d36a60cfab9

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
Signature/QCTYcUBNJMtjkTaXbF93qcRCHDILygYfB659srt+wZ31vOFH4Ws5V8yrizGOTBCBiGGSOtwMRopE72eXqddBQ==
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

2026-09-17T10:18:54.920429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075092
observed 6800581ca48c02fdc5e0aa948443d589...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:54.904972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075092/manifest.json
observed 72e84851b357c2431a5e03310d6f4994...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:54.889153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075092/publication.md
observed 0788a6e3689c1b5b8907ec5c2617ce30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:54.871709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075092/publication.txt
observed dd06c3e5183bd83043005ba844e4db94...
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.