OpenTechnical

OT-2026-000102556

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, two 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-2026-000102556) never changes.

Identity and time

Publication numberOT-2026-000102556 · never reused
Internal UUID01a0aea4-858a-79c5-b8e3-55c0008968f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102556
StatusPUBLIC

Content hashes

Canonical text73c571c8c360083f6863037fbcacfcb15465900807c4adc1a367edaba3469233
Markdowna3e9c819f9a85f6c1718a622f1b25019e728ddf19e0e9756f811cab17d9d3846
PDF
Publication page601d6310c50b7fe2f6fc79c1f1dcfe27d00b88a738d73c05bce853a38a469b20
Manifestf7bc3b1382ff1d82861eaa09753f65cac043d1dd91259b33df8aa49fa86bd803

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
SignaturegcRGX9SUnRXw4GdFCAiDXNrZOIvlhY9iSvdeQYMupacuBIv62NtyrjThoGingwSN17Qkj95F/tdGGvYq8Kk+DQ==
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

2026-09-17T09:24:02.159768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102556
observed 601d6310c50b7fe2f6fc79c1f1dcfe27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:02.140975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102556/manifest.json
observed f7bc3b1382ff1d82861eaa09753f65ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:02.121144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102556/publication.md
observed a3e9c819f9a85f6c1718a622f1b25019...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:02.102085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102556/publication.txt
observed 73c571c8c360083f6863037fbcacfcb1...
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.