OpenTechnical

OT-2026-000103006

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, 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-2026-000103006) never changes.

Identity and time

Publication numberOT-2026-000103006 · never reused
Internal UUID01a0aea4-be3d-76f2-aad6-e49035f4f725 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103006
StatusPUBLIC

Content hashes

Canonical textca234cb2e6e1193aaba3e35682e4b1ddf867a94523abaacb57c786236a227661
Markdown653af8dd167e59805b037627de4711c23d1877c5e43e8e5e678b4fcf11705ad9
PDF
Publication page5ff5e9bc8cba3ad35ea3beafefe64bd01257bd54e6b618a5366974b5d39f1fd4
Manifest076a0cabcb8d0ec935d8e2da361edf2d81233e3e38ab50e43c5832a26494e1f8

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
Signature2aw+NK13hJW4FVLvxG5Bmh0aObgG+D0cKvXWni5/2NFzkkrzIxCY5sojFisKsXwx3CfQrN64s5rDYP4xprzeDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:07.361181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103006
observed 5ff5e9bc8cba3ad35ea3beafefe64bd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:07.343654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103006/manifest.json
observed 076a0cabcb8d0ec935d8e2da361edf2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:07.326908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103006/publication.md
observed 653af8dd167e59805b037627de4711c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:07.307891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103006/publication.txt
observed ca234cb2e6e1193aaba3e35682e4b1dd...
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.