OpenTechnical

OT-2026-000063271

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, manifold 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-2026-000063271) never changes.

Identity and time

Publication numberOT-2026-000063271 · never reused
Internal UUID01a0ae8c-94ab-7741-9b97-9db7fc1a32fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063271
StatusPUBLIC

Content hashes

Canonical text57b6d1e068bf4565104abdbc824a4a13f414d9b5f68ed8160909fa89e0a6874b
Markdownf2a6b3372e5fdbea63632866ad94023eb47a02abe2b974d26026560726eb2ac7
PDF
Publication pageb4efba5af4c75614480bdb8cdf5b0ac96be090f017d9a31189048faee250c9e7
Manifest223173ec83f9c659c62a0b1a4d71b1e43320b365d762dc7c0a65ce0c91740a22

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
Signature0uRwK3L17oibgcQYy8TCARSBGvHhMvBczRXpFSXJZjVzv+STXKt3riWvQlPVjk/Aks+ZImF7qRsCk82T10j9AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:09.665814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063271
observed b4efba5af4c75614480bdb8cdf5b0ac9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:09.647166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063271/manifest.json
observed 223173ec83f9c659c62a0b1a4d71b1e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:09.629018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063271/publication.md
observed f2a6b3372e5fdbea63632866ad94023e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:09.610958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063271/publication.txt
observed 57b6d1e068bf4565104abdbc824a4a13...
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.