OpenTechnical

OT-2026-000103437

Publication integrity record

Two cup vacuum gripper, two zone face, three stage ejector, pulsed 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-2026-000103437) never changes.

Identity and time

Publication numberOT-2026-000103437 · never reused
Internal UUID01a0aea4-e460-78c4-9f12-6768c5622a82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103437
StatusPUBLIC

Content hashes

Canonical text3cfbcb2a770c0b2c99012e3c341afafb738657f23e0c00923b2d541f38f1901f
Markdownf3b9efd2b2ea954ccaa4d4749a9c7d39a14dcfff1ebcdff083c83d80fe0d113b
PDF
Publication pageffb5558150baf7aa1a233f5a949d61ce9cb9a8481ce225c924fc87d40eb7e286
Manifest5f950400c0a7893c13d6b8942128cd829d30d5191f4901e684c6082c4f18e80f

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
SignatureQ4SW55RXTZd9xJKB6GBL0SUHZbO+tG+S4hKv2TaXpfOa2i8A03eWahq5lH8HD5IQXC3+gweLNZ3cwmdVFsZAAA==
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

2026-09-17T09:22:11.369476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103437
observed ffb5558150baf7aa1a233f5a949d61ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:11.353524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103437/manifest.json
observed 5f950400c0a7893c13d6b8942128cd82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:11.335667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103437/publication.md
observed f3b9efd2b2ea954ccaa4d4749a9c7d39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:11.318217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103437/publication.txt
observed 3cfbcb2a770c0b2c99012e3c341afafb...
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.