OpenTechnical

OT-2026-000037951

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, 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-2026-000037951) never changes.

Identity and time

Publication numberOT-2026-000037951 · never reused
Internal UUID01a0ae77-f88a-77e1-a698-2416294863cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037951
StatusPUBLIC

Content hashes

Canonical text5d83caba8795881ac6ba9a949dd68d2ca6f470e84db8ef570dd03a887cdd76ae
Markdown4f907d5b86247aafe213bdc98758418ebf3d13c77c70652705b4e47e2e090cdc
PDF
Publication page40927396629cf4578fbac28eb87201ed91f2efdada9d57b7004954a730e6ee0d
Manifest0b78cdf6f146a9d9fb2091792d7e475634a76f7f7268d948ee16930883656838

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
SignaturegrEqWGSz6jnvh/p5ZaGFZPCZB/eDxc1a63qjoNTRwzkt1tz8VKvpAl6FcOVBlu0/tKbKcthEvAg5aFvYoTPTBw==
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

2026-09-17T11:23:14.321186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037951
observed 40927396629cf4578fbac28eb87201ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:14.302668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037951/manifest.json
observed 0b78cdf6f146a9d9fb2091792d7e4756...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:14.284780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037951/publication.md
observed 4f907d5b86247aafe213bdc98758418e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:14.264742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037951/publication.txt
observed 5d83caba8795881ac6ba9a949dd68d2c...
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.