OpenTechnical

OT-2026-000054763

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, two stage ejector, supply line pressure sensor, 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-2026-000054763) never changes.

Identity and time

Publication numberOT-2026-000054763 · never reused
Internal UUID01a0ae86-1285-7f2f-bc1a-a825d2b27c48 · 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-2026-000054763
StatusPUBLIC

Content hashes

Canonical text99f87ac329a25aa98905cf32f93c6f9bb575782458968b659495f23ddc5537f9
Markdowncb5360de282940b794f40484f51249174964ed50a78bbc31ae5ebe49d0e718b4
PDF
Publication pagef3d2abca0909dcc3621c1063c9c1a5f46db72d9cba4f77834498391a19a85251
Manifesta8d91e696b063963a594bf07805c35b43fd906c53d7cbe095d5b3600cdfa14af

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
SignatureFo2SGYGdtYbCHkMiRwYoI3yZxXHitU3uVVtG70/7iGgpKwZ7d9iu7ah6gaBwoxq6XQx/j4v+JZvl5FgppOUCDQ==
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

2026-09-17T10:53:57.262193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054763
observed f3d2abca0909dcc3621c1063c9c1a5f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:57.244521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054763/manifest.json
observed a8d91e696b063963a594bf07805c35b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:57.225830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054763/publication.md
observed cb5360de282940b794f40484f5124917...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:57.207195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054763/publication.txt
observed 99f87ac329a25aa98905cf32f93c6f9b...
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.