OpenTechnical

OT-2026-000103434

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-2026-000103434) never changes.

Identity and time

Publication numberOT-2026-000103434 · never reused
Internal UUID01a0aea4-e460-7409-9ad4-4d74c2d7b355 · 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-2026-000103434
StatusPUBLIC

Content hashes

Canonical texta2a9c68b637eeb56b04f1dcf32a719705f54934e98a97f4d37432ced90f0012c
Markdown5d4e38bbe0b8b1833491839cd3f7d62975b6d7262843abc287d327561b09d30c
PDF
Publication pagecd08d053940f85bef853f86b82d2713cb9ec8110dac8da690cf9b76793e6ee70
Manifeste4c7f46ef9966510acd2437d02dc5d7c00ccaa559f9ff7c3e023103698f78f47

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
SignaturexJrZigwyM3vBVjvjLi8Svgio+xmeEQOGyPpU85EkACOsts8+dOIqL04GzyGdnNwRUhM94R42eIo2ZVBtpEeeCg==
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

2026-09-17T09:22:11.162807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103434
observed cd08d053940f85bef853f86b82d2713c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:11.145850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103434/manifest.json
observed e4c7f46ef9966510acd2437d02dc5d7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:11.129335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103434/publication.md
observed 5d4e38bbe0b8b1833491839cd3f7d629...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:11.111641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103434/publication.txt
observed a2a9c68b637eeb56b04f1dcf32a71970...
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.