OpenTechnical

OT-2026-000054584

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum 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-2026-000054584) never changes.

Identity and time

Publication numberOT-2026-000054584 · never reused
Internal UUID01a0ae86-1283-79ac-94e7-0ca625474a4c · 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-2026-000054584
StatusPUBLIC

Content hashes

Canonical textdd1a5494826b85267d0693409762bc2de26da93425aa879f6d39f1aa95274d5f
Markdown223320deae7cacee97b1daadf5c0a6506b87d07344753ffde0e13eb7fd6e4656
PDF
Publication page493675cd1402978ffcf43022cb9fbaeb8f5967c99be6c54dc5c904ccf8b676da
Manifest0bcd3b3c4046738979d8b38609597de1128ce4f753cc16c1f98dbb18b0ca3dfe

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
SignatureW3etG8E1ss3uAWr5ulDfDGXWc/KhaWul0hBvEWlDrj9myIg7cG/VJw8xs/z5BUzZImqQ9+Tzi0Wiwd8MJxXuDA==
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

2026-09-17T10:53:38.070525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054584
observed 493675cd1402978ffcf43022cb9fbaeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:38.051418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054584/manifest.json
observed 0bcd3b3c4046738979d8b38609597de1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:38.031609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054584/publication.md
observed 223320deae7cacee97b1daadf5c0a650...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:38.010809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054584/publication.txt
observed dd1a5494826b85267d0693409762bc2d...
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.