OpenTechnical

OT-2026-000050252

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line 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-2026-000050252) never changes.

Identity and time

Publication numberOT-2026-000050252 · never reused
Internal UUID01a0ae82-5c46-7474-88fe-49de2b949d43 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050252
StatusPUBLIC

Content hashes

Canonical text58934528dd65007d62a158bc49429c23d0a7f5d051cb1e9b2540388fb8984ae7
Markdownd777e80331285c62886f996a1a8762585f182ae96d6d7d2425ead615559d8e1c
PDF
Publication page9e700baa644cebb940e10fcdc1c766dc4bb9a91a0393f02a5ceaefd1128610bf
Manifestf66f842de0c9f70c8923446394f6549b280ee270f7a66ae4d5b6295b95af2860

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
SignatureQ14XBCbynkL2ulreVvoiqMJ6I5Pm/dkeuBQ8zbB3RgXKsW/G7jHImApn5YVeYV40h7MtL/omX7jVTZxfA6zgAQ==
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

2026-09-17T11:01:15.093460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050252
observed 9e700baa644cebb940e10fcdc1c766dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:15.077556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050252/manifest.json
observed f66f842de0c9f70c8923446394f6549b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:15.061609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050252/publication.md
observed d777e80331285c62886f996a1a876258...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:15.045858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050252/publication.txt
observed 58934528dd65007d62a158bc49429c23...
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.