OpenTechnical

OT-2026-000022984

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000022984) never changes.

Identity and time

Publication numberOT-2026-000022984 · never reused
Internal UUID01a0ae70-46ec-7af3-aab9-8d4fd823d0c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022984
StatusPUBLIC

Content hashes

Canonical text9026a4e57c9b263c201b1adb3866b6c21aa3ec3ac526afac49c39f87984807fb
Markdown8890eeb63f98d09287bf2da520a76799b346419edf3eabc1c728aae21bc7379a
PDF
Publication page64fe0d727774cda5b7bbaad655ab4ae108f9e6a2acb12766ec52a4bcd0040317
Manifestd6f2fe38f9d52fbfc0f820a8d496e6745930d5fe650d24a805b2b41334559b0e

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
Signaturet4eO7cy7qCP3nS9l74ROL0LSYD03Cna9CD0nHY6o99ZDgVXR4Kn44TT3tqi67j/w3jywoio6HRV+ZTUvb443CA==
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

2026-09-17T11:52:34.517332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022984
observed 64fe0d727774cda5b7bbaad655ab4ae1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:34.501356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022984/manifest.json
observed d6f2fe38f9d52fbfc0f820a8d496e674...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:34.485373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022984/publication.md
observed 8890eeb63f98d09287bf2da520a76799...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:34.468430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022984/publication.txt
observed 9026a4e57c9b263c201b1adb3866b6c2...
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.