OpenTechnical

OT-2026-000099321

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, 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-2026-000099321) never changes.

Identity and time

Publication numberOT-2026-000099321 · never reused
Internal UUID01a0aea2-8289-7f42-9679-5c4c61aec9b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099321
StatusPUBLIC

Content hashes

Canonical text0b0297574536be1d1ecd9f6bb2cdfddc4940401c1354b491b883d7038089c929
Markdownaac0f1b4aabcb43789a5b436cdd7d4cfd6320a97274cfca79eb4a0b529e6cefd
PDF
Publication page47362dfedd81e481ead1537c3fc27140392240a38c5ada5a9eb1f8c3ce372183
Manifestaade23d949e1d93a51be7cec10b21648290b757b1a9306b9375ed993f1fb5050

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
SignatureBDitNzRG7po/HU+qt6aIIZQJr+0bJZs+sG59kEJRL5TITuYVlcDzvw0nAq6/2qA6otGhsdPpkn8rnBjSernuAw==
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

2026-09-17T09:30:47.368895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099321
observed 47362dfedd81e481ead1537c3fc27140...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:47.352192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099321/manifest.json
observed aade23d949e1d93a51be7cec10b21648...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:47.334878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099321/publication.md
observed aac0f1b4aabcb43789a5b436cdd7d4cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:47.316957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099321/publication.txt
observed 0b0297574536be1d1ecd9f6bb2cdfddc...
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.