OpenTechnical

OT-2026-000073943

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, manifold 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-2026-000073943) never changes.

Identity and time

Publication numberOT-2026-000073943 · never reused
Internal UUID01a0ae93-2b8e-701b-9a02-4406a2e7300b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073943
StatusPUBLIC

Content hashes

Canonical text44495a5977dd4ddd1532b5f41ecd2390b953c708ff264103700a3b4c27de8eed
Markdownac28ce78c8189e1009679295bc3bf4c846b60e9e56bb4857736b95c045cc715e
PDF
Publication page6002a429ba225873fc477a33033fcb4ee6813d07e6b21a09933a39069e15b1de
Manifest1ff79f390d6b72c205e9e1ce7fbb25eec4185373ab2c28c5ba6088dac7c5f54d

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
SignatureBLCvZyrEBK/DjX2UbYvah9syAImpEkKBQzpdiHczqmizGeDHKUHgJ7dreWJy/Q4+q5QeSnYa3MhlWyy7AnwWBQ==
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

2026-09-17T10:20:13.837821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073943
observed 6002a429ba225873fc477a33033fcb4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:13.816830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073943/manifest.json
observed 1ff79f390d6b72c205e9e1ce7fbb25ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:13.797000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073943/publication.md
observed ac28ce78c8189e1009679295bc3bf4c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:13.776707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073943/publication.txt
observed 44495a5977dd4ddd1532b5f41ecd2390...
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.