OpenTechnical

OT-2026-000012273

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000012273) never changes.

Identity and time

Publication numberOT-2026-000012273 · never reused
Internal UUID01a0ae6d-39f5-734c-9d10-ad11594ddaf5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012273
StatusPUBLIC

Content hashes

Canonical text444fd4bd6cca1e91dbddb8b5fc21fc6d2c0cf6b69957fa73b4e60a0b1ea4af93
Markdownbd0c95038d4920b65ac8141d01bddd674a3f99757029c7ece997df1868107dbe
PDF
Publication paged598b8893609a706a7b5d096a8d04a89cdbbef44a380f83878b8dc1148a1d0bc
Manifestf39d5be72db681c329803e5758ef3afc4053c5db16b6f40d5b269cf02f55caac

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
SignatureLCnbnUStTZmz3utAGWCrAa1WygzpYjkEvIUmwIIuH4E0vzBMv8rggenVZZ82kFOEcaX0RKol44UcOC4U7URnBg==
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

2026-09-17T12:11:12.574453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012273
observed d598b8893609a706a7b5d096a8d04a89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:12.555132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012273/manifest.json
observed f39d5be72db681c329803e5758ef3afc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:12.536141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012273/publication.md
observed bd0c95038d4920b65ac8141d01bddd67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:12.518342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012273/publication.txt
observed 444fd4bd6cca1e91dbddb8b5fc21fc6d...
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.