OpenTechnical

OT-2026-000089307

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000089307) never changes.

Identity and time

Publication numberOT-2026-000089307 · never reused
Internal UUID01a0ae9b-db01-7239-bfcc-c6009a22adf0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089307
StatusPUBLIC

Content hashes

Canonical text5d12014ba067234db9296a967fba27072b4c50004838cf27e8adf8231a5e7380
Markdownf9eab14ed9dcb552293b697c07b71b3d884f2042d004ee620c82f8c3d777e553
PDF
Publication page4f1752a7a5621c53afd51615fe5438c57da838c811a8d5cba401322b2bcea1b1
Manifest00eec6e30806afa5fa799a60849c5f393ef6c1403fb234a7a7f2f1c18d9a9d04

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
Signaturee4NXWNy097SjUpBubA4XzRE+xD4LIfymMccX3p5EpUiLpYPobDhPcV0dICXGPrAD2YFtit+NuN9M6D2Upv+iDw==
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

2026-09-17T09:47:21.449804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089307
observed 4f1752a7a5621c53afd51615fe5438c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:21.430679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089307/manifest.json
observed 00eec6e30806afa5fa799a60849c5f39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:21.412198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089307/publication.md
observed f9eab14ed9dcb552293b697c07b71b3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:21.394737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089307/publication.txt
observed 5d12014ba067234db9296a967fba2707...
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.