OpenTechnical

OT-2026-000030013

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, manifold 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-2026-000030013) never changes.

Identity and time

Publication numberOT-2026-000030013 · never reused
Internal UUID01a0ae73-ac49-767e-b8a4-70791d8ef65e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030013
StatusPUBLIC

Content hashes

Canonical textcf8631f535debd23d377aca81daa4fc873912a0437ee1ef16eba2c4c8ecd0625
Markdown3e4811017159207ec6b382ec3096688cc79b55a3d4a995270ca56c111b14711a
PDF
Publication page634d5c015555db1750d0363318c891b9938c9b4694d51b1aed509221a6d973ee
Manifestcb878168202771406cf1999bec0dd600a79d3553782797d26794509a187342b3

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
SignaturewWshhnEGxdJl8vPLGrH7hAmQ0aZ57DTT4lWwReHYwRMFoWKreq03wmrRbpCwkcyky2/Bx2OM0Fgm+xjms+WTBg==
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

2026-09-17T11:38:44.744837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030013
observed 634d5c015555db1750d0363318c891b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:44.730259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030013/manifest.json
observed cb878168202771406cf1999bec0dd600...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:44.714754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030013/publication.md
observed 3e4811017159207ec6b382ec3096688c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:44.698507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030013/publication.txt
observed cf8631f535debd23d377aca81daa4fc8...
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.