OpenTechnical

OT-2026-000100077

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, pressure sensor per zone, sustained 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-2026-000100077) never changes.

Identity and time

Publication numberOT-2026-000100077 · never reused
Internal UUID01a0aea3-1474-7742-aee3-fac39dd82f23 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100077
StatusPUBLIC

Content hashes

Canonical text48535c16c124badf99cf1527dfe9ad324d9c92d5c986aeea582e4642295b1150
Markdown011429b2efd0f02500b1028126feae02167fce8e331c5f7d4968056f39e15ada
PDF
Publication page76824b3c9334e4a613ba7600bac332b55347a1234ccb79241e99341d260bc0dc
Manifestac8bc365de0a66a7dbd079791ba85268372f14dd95f60198de1731e88e3105ac

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
Signaturehp0WRMq1uKbKGx4bxcMJSGt0BwSbY8miHcfQInAn25OYSuiIR027JaBWq9VbWLWpVsZsaCK8dyM2VH16gGBgBw==
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

2026-09-17T09:29:01.636416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100077
observed 76824b3c9334e4a613ba7600bac332b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:01.615520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100077/manifest.json
observed ac8bc365de0a66a7dbd079791ba85268...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:01.595057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100077/publication.md
observed 011429b2efd0f02500b1028126feae02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:01.575254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100077/publication.txt
observed 48535c16c124badf99cf1527dfe9ad32...
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.