OpenTechnical

OT-2026-000040713

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000040713) never changes.

Identity and time

Publication numberOT-2026-000040713 · never reused
Internal UUID01a0ae79-6d0f-78e9-9a5f-067a8e5f6921 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040713
StatusPUBLIC

Content hashes

Canonical text6269a59929822554afd49b2bc8fbcac84d96b3e760dd4f5909e4fdcb1f6aed7e
Markdown806ae3cd165848dc5e8483b7087d4330539663773dfca87050337e0dfa183d14
PDF
Publication page06851575b01aa8c79122361151ef18aad4fc4b422acda74963cf394c72821d05
Manifest2662a463ca63aaf66a49e14479e858590522016ef30209a3c79c2a4a01618d8c

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
SignatureRy2rEvWElYWfb+AtOlPFgE3yxDfcdmDzIfBNNAjv/womNftA/ehGeAE6CCjDTvqlho5nQYSdy98W508056+LAA==
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

2026-09-17T11:17:54.912874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040713
observed 06851575b01aa8c79122361151ef18aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:54.895967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040713/manifest.json
observed 2662a463ca63aaf66a49e14479e85859...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:54.879467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040713/publication.md
observed 806ae3cd165848dc5e8483b7087d4330...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:54.861683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040713/publication.txt
observed 6269a59929822554afd49b2bc8fbcac8...
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.