OpenTechnical

OT-2026-000072037

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, supply line 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-2026-000072037) never changes.

Identity and time

Publication numberOT-2026-000072037 · never reused
Internal UUID01a0ae92-47c1-74fa-ab97-c3e254ad7a94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072037
StatusPUBLIC

Content hashes

Canonical text9a1f2ee06ccb048a07a6b3c6b48468430ce3714e46001adf6b6df76798131dc0
Markdowncf2ff604ffd0067abe81e6511c9d974f1def76a69c9849ef164cdb5d7feb345b
PDF
Publication page8419f4b429f172ad03381b10eb4d86643f3ee89f241ae3cfe5333307f58b35a4
Manifest4a6a5b955636953189d565b5f23fcabe4aa2d46ac68b314221cb58b12d02e6ef

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
SignatureFZVuwpOnIe1ghYaamSBLqBI2u3fV2eEzJL0n0sv/hc5bnIkgRg5lWUThxSr5E5nU6Xg3RbFJUIU+ykptMiAlCQ==
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

2026-09-17T10:23:06.121109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072037
observed 8419f4b429f172ad03381b10eb4d8664...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:06.103826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072037/manifest.json
observed 4a6a5b955636953189d565b5f23fcabe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:06.084819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072037/publication.md
observed cf2ff604ffd0067abe81e6511c9d974f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:06.068734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072037/publication.txt
observed 9a1f2ee06ccb048a07a6b3c6b4846843...
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.