OpenTechnical

OT-2026-000102454

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, pulsed blow-off after set-down

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-2026-000102454) never changes.

Identity and time

Publication numberOT-2026-000102454 · never reused
Internal UUID01a0aea4-8589-784e-a0e2-ce7b08fbdebf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102454
StatusPUBLIC

Content hashes

Canonical text7c7df09ffe755b2279fead6838c7117ed09cc88031e58ae428669d9a2bec3b81
Markdown18345b95127a14119be6c78ebd792f36c38476340c78490604bb234771084667
PDF
Publication page071c9c9a26dfc038492ac853b8d9735df65565368d49402f0ff29bda6419935f
Manifest7d5c01c5525324505e1b9262b290d41c98c99411e827ca07403e486f24fd6851

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
SignatureNV8dt55sQHdOegrju2UahKxyCplc5rSEjbNvj8GdT/DDyWLHFDDem/OPIisR0ZrGmUGvn4TK3MKsV0w/BIKEAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:48.221339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102454
observed 071c9c9a26dfc038492ac853b8d9735d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:48.203510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102454/manifest.json
observed 7d5c01c5525324505e1b9262b290d41c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:48.186080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102454/publication.md
observed 18345b95127a14119be6c78ebd792f36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:48.166687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102454/publication.txt
observed 7c7df09ffe755b2279fead6838c7117e...
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.