OpenTechnical

OT-2026-000053361

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, supply line 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-2026-000053361) never changes.

Identity and time

Publication numberOT-2026-000053361 · never reused
Internal UUID01a0ae85-0a8f-765c-bad8-08dcb9e59af2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053361
StatusPUBLIC

Content hashes

Canonical text5d95424218ebe3195e12e70b0a7771b1cffdfc17fa69a0d70179681a752f621f
Markdown5ab80b79cb3479c3765c39d68490a534a1f955bd4b3eb3ae7a84585bde46aff1
PDF
Publication page31ba75edc5075e3361e949fb599e21b43495d0787b84bb84a25f43d29d42d03e
Manifest6a816fa40af620420c89e31c12f84e139653e807070778f67c55b9bcb3bcc965

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
Signatureom1EXQZiLAafBm5FnIUPe/24P2SVRgGLlf7HTZwPXmi4OJLaxggFo9PT2WoY6P5sqUK9n84nKq3JVC0NvtwXCg==
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

2026-09-17T10:55:04.518612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053361
observed 31ba75edc5075e3361e949fb599e21b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:04.501002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053361/manifest.json
observed 6a816fa40af620420c89e31c12f84e13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:04.483292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053361/publication.md
observed 5ab80b79cb3479c3765c39d68490a534...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:04.466592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053361/publication.txt
observed 5d95424218ebe3195e12e70b0a7771b1...
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.