OpenTechnical

OT-2026-000039777

Publication integrity record

Three 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-2026-000039777) never changes.

Identity and time

Publication numberOT-2026-000039777 · never reused
Internal UUID01a0ae78-d8d5-792f-85b2-6de57ca26a5f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039777
StatusPUBLIC

Content hashes

Canonical text15cdd78f2ba63cc0642e62d41acff74e386ea808aeed7d25be566e337dac4a58
Markdown5b4e92554060e3a534d30b37c4473586597fc740123261d876f5ab870c933724
PDF
Publication page9c9fc78ad03a23b43ee5f6c68c606275ae1089838a635932c5ff4e323f15feea
Manifest9a68f4bc8a3f97457518bb6bb7a30f6447db91a79772a7187104f9ce7bcee9f1

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
SignaturePgk4+a5t/3YWIhLOyCM5L2DF0gBEtcXAN61r9xNKo4KVyvjax/ut3d8mj6M/jNbML+cKWDICHgZiusF8eFcMCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:20:00.040919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039777
observed 9c9fc78ad03a23b43ee5f6c68c606275...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:00.023591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039777/manifest.json
observed 9a68f4bc8a3f97457518bb6bb7a30f64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:00.004354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039777/publication.md
observed 5b4e92554060e3a534d30b37c4473586...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:59.985223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039777/publication.txt
observed 15cdd78f2ba63cc0642e62d41acff74e...
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.