OpenTechnical

OT-2026-000054732

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000054732) never changes.

Identity and time

Publication numberOT-2026-000054732 · never reused
Internal UUID01a0ae86-1284-72e3-87b2-7a6cec8091ee · 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-2026-000054732
StatusPUBLIC

Content hashes

Canonical text98239ea9f4902ef232a31c66f4646e82af7f3377b04966ee5a46beea69ff03d7
Markdownf1049d6d9782827a4405033963a78b2f96952023188173b92d850c4b8728fba2
PDF
Publication page9c0c32d3029c08be9a7e06c12a8bcca9ef9e49469d1e68fd0eacada5db1c8c05
Manifest446cee12acb537796c7c7df42c403c6cb03c498f64d3662ce45517bcbab8c06e

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
Signaturef309L32jN016msY+YdUS7aDLZM68c2Zjg34JmTl0hEhYeaINbr4WhhlQ0k9xAGGTrSRgFJcaSPPs3R6MTKThAw==
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

2026-09-17T10:53:54.856542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054732
observed 9c0c32d3029c08be9a7e06c12a8bcca9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:54.836745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054732/manifest.json
observed 446cee12acb537796c7c7df42c403c6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:54.819365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054732/publication.md
observed f1049d6d9782827a4405033963a78b2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:54.801117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054732/publication.txt
observed 98239ea9f4902ef232a31c66f4646e82...
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.