OpenTechnical

OT-2026-000052628

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000052628) never changes.

Identity and time

Publication numberOT-2026-000052628 · never reused
Internal UUID01a0ae84-573b-7ee9-ab90-9d6036117835 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052628
StatusPUBLIC

Content hashes

Canonical textdea612ca2b6fe21ee8796f7d97f956410f20e5644e0fb39e05ea9e99e516ad90
Markdowna4a7c027b6849100d2a4e6d93747685318c402e1ab53c1489001e5b13525c616
PDF
Publication paged4a999a3330a8de87a4e376fcb81c5e81a2a6439251b0db187d320c07a9e4ff6
Manifest2cbc0ed5d078f62cdd8f6dc49b3d43a8a0da06ed9746638597a6445a298eaf36

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
SignaturekKKHYDw51d8ywH5mmFG3RvDAcJUEtn77IGnWyhPgjKJDRgZy32AfQhJBA4ERo4OSYukzy2L3PrOXDfdmSZLMAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:18.164418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052628
observed d4a999a3330a8de87a4e376fcb81c5e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:18.144792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052628/manifest.json
observed 2cbc0ed5d078f62cdd8f6dc49b3d43a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:18.127626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052628/publication.md
observed a4a7c027b6849100d2a4e6d937476853...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:18.109564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052628/publication.txt
observed dea612ca2b6fe21ee8796f7d97f95641...
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.