OpenTechnical

OT-2026-000029297

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two 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-2026-000029297) never changes.

Identity and time

Publication numberOT-2026-000029297 · never reused
Internal UUID01a0ae73-2aa1-7b3e-9d1e-e659d4152c52 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029297
StatusPUBLIC

Content hashes

Canonical text7793a17981137cbcbfc846dcebfd6455eb81b2b07d4eb5d034e26f1363261e08
Markdown1f19af013c920e3c65a1fe63b1e05bb43884c167a581806b2d93bb0f8c93fcda
PDF
Publication page4a63f9233852fa41d562bae954784a11cf0b8edaf62529c727ef783e17d8043a
Manifest1005f615404e9ca22b044aacfa18d34d6145bc8b57bc065a763d275e58181685

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
Signaturetfzcs/zkOjKTXeupI3mIPKIlUgL4c35D8uNUh7y44TbtZRPWwJCA7ekoMaHtcWR0OIuNsuDQwZuzYpF1pjo1CA==
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

2026-09-17T11:39:56.131901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029297
observed 4a63f9233852fa41d562bae954784a11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:56.114054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029297/manifest.json
observed 1005f615404e9ca22b044aacfa18d34d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:56.096581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029297/publication.md
observed 1f19af013c920e3c65a1fe63b1e05bb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:56.079721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029297/publication.txt
observed 7793a17981137cbcbfc846dcebfd6455...
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.