OpenTechnical

OT-2026-000032888

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000032888) never changes.

Identity and time

Publication numberOT-2026-000032888 · never reused
Internal UUID01a0ae75-4842-70dc-8697-b8675dbe183c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032888
StatusPUBLIC

Content hashes

Canonical text2191b3d599e3a231a9d6217ee1b82555ed5eba3e414ed1bbd399f95fd6605b0a
Markdown04310acd6e38b628639f708539141fb393be2168e85c8de53d026ebefc8abf6f
PDF
Publication page2f12432dc724213878a4cd7c3c7e344286a9151128cdb24625f929d77af83f01
Manifest8265b6dbe9375240193ade99a68e0a0d8f9bb07bfa32f4b35a43aeb4fd914ad0

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
SignaturejKsiGzVhyji/ldsFne/CfJhOR22yo0x+cLjS32ZEkexw+Z5SAItDznbj24oRdMrqaV/WHw70kA1dsLRumDBhCQ==
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

2026-09-17T11:32:28.305498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032888
observed 2f12432dc724213878a4cd7c3c7e3442...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:28.286225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032888/manifest.json
observed 8265b6dbe9375240193ade99a68e0a0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:28.265712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032888/publication.md
observed 04310acd6e38b628639f708539141fb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:28.244914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032888/publication.txt
observed 2191b3d599e3a231a9d6217ee1b82555...
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.