OpenTechnical

OT-2026-000049787

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, pressure sensor per zone, pulsed blow-off 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-2026-000049787) never changes.

Identity and time

Publication numberOT-2026-000049787 · never reused
Internal UUID01a0ae81-8fef-73e0-8759-93afb4a038fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049787
StatusPUBLIC

Content hashes

Canonical text0d88f382249768ba63733d2cf9c173a4cbac8ab50a708e38bb6f26b149a46408
Markdown02e899506e6aea6c87607fe92489203ab902dc874edc0ff3e0f4a98fc7ef382a
PDF
Publication pagedb2a1620597d4c7d506c9e2d0e87b7401bf052786fbfde66936a84bfc3fd9546
Manifeste94686cb22cb5d064fee1dc0a0c1fa68e85e78f551eb9fe61e8ef9841f5b9d15

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
SignatureDH7w6B00BIkXiXSDgWNdDdA7K94OF2U7C5fC39RXP/LxBiAw45WAU+AzOeHjKOZx0FzHUtyPrSbBN5hRJj3DCw==
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

2026-09-17T11:02:54.346713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049787
observed db2a1620597d4c7d506c9e2d0e87b740...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:54.328229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049787/manifest.json
observed e94686cb22cb5d064fee1dc0a0c1fa68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:54.310286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049787/publication.md
observed 02e899506e6aea6c87607fe92489203a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:54.291588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049787/publication.txt
observed 0d88f382249768ba63733d2cf9c173a4...
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.