OpenTechnical

OT-2026-000021124

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000021124) never changes.

Identity and time

Publication numberOT-2026-000021124 · never reused
Internal UUID01a0ae6f-865b-7726-a48a-b2f456e52e3c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021124
StatusPUBLIC

Content hashes

Canonical text0c5bea6837bf0ab88b4f958d06463379c167533c3caa0f3d60e766af526d0c82
Markdown9ea0413c9f8494848826ca792326f363a17d7bc31e3569a7e8bd6822ac19ff83
PDF
Publication page83e11f87a3c6e8c6a622bfbd879704955761d4d2fed108e972c842ff059b6220
Manifestedc0bd115d7e805e1c507ebd7b536c01353aa2d70e785bbea80b496880b8293b

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
Signature4WLOlrjsWMEKoH5g2G+nWPsTaXUzd+E6j8zp5gma7eQmx55lshC3YlhBbcI7rX8Cv6ZhFFduJ7AiGbIh9szRBA==
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

2026-09-17T11:54:52.238541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021124
observed 83e11f87a3c6e8c6a622bfbd87970495...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:52.220567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021124/manifest.json
observed edc0bd115d7e805e1c507ebd7b536c01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:52.202575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021124/publication.md
observed 9ea0413c9f8494848826ca792326f363...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:52.182658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021124/publication.txt
observed 0c5bea6837bf0ab88b4f958d06463379...
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.