OpenTechnical

OT-2026-000048893

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000048893) never changes.

Identity and time

Publication numberOT-2026-000048893 · never reused
Internal UUID01a0ae81-134b-7453-9491-f6d837703782 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048893
StatusPUBLIC

Content hashes

Canonical text99a322fa738e9cea56d43c22e8941a5de0f2155864c79776bca134440ca0f5e0
Markdown23b9b09fee65e0ad9e31c13cb34577562c200f95cd7133b36f10923ff7ad49b7
PDF
Publication pageb7d0f0804b0d36391a820d74d43564a63576607797bb8ce455a5ef56e2d7cd33
Manifest75bc212345d4dbb1ddb0a31d6758e16d6a3cc7a333dd58935ec959065a3f910d

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
SignatureWJKFfPP27u1pHWcKyY07xl4HUbzOpcWOJ9Y0ytAfSso55qusGCe8i8UMrykEtS2I09ZsP0y+yK+JuaTx/bsQDg==
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

2026-09-17T11:03:03.464913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048893
observed b7d0f0804b0d36391a820d74d43564a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:03.445730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048893/manifest.json
observed 75bc212345d4dbb1ddb0a31d6758e16d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:03.425341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048893/publication.md
observed 23b9b09fee65e0ad9e31c13cb3457756...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:03.405913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048893/publication.txt
observed 99a322fa738e9cea56d43c22e8941a5d...
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.