OpenTechnical

OT-2026-000054561

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, vented 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-2026-000054561) never changes.

Identity and time

Publication numberOT-2026-000054561 · never reused
Internal UUID01a0ae86-1283-7ccc-83b2-cb2fcf94c7e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054561
StatusPUBLIC

Content hashes

Canonical textebde7912d13a663be095f6250b2acff926258141d2af74ec3da4b3b38c073e5b
Markdown755ae1c9b02cf1ec442ce8f8c4116eb8d78bf82e24ad57a2234257bf4eff241c
PDF
Publication pageeb56cb9ac8a09c699a947bd81503664f140fec061728bffca1e0b5ac943819cb
Manifest486c914dffc98256787aa2869ffa59431e7cde4f410acb5c61a93041ab0c0209

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
SignaturePhekUuCkXfwMzzx8tlP6/fkbnX8sH8meIhInzsoJIL/fsQ0cbY1kB15+rBxty87x3+razCoAK8qPmM6nzJK/BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:36.162038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054561
observed eb56cb9ac8a09c699a947bd81503664f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:36.142305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054561/manifest.json
observed 486c914dffc98256787aa2869ffa5943...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:36.122390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054561/publication.md
observed 755ae1c9b02cf1ec442ce8f8c4116eb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:36.103445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054561/publication.txt
observed ebde7912d13a663be095f6250b2acff9...
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.