OpenTechnical

OT-2026-000021952

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two 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-2026-000021952) never changes.

Identity and time

Publication numberOT-2026-000021952 · never reused
Internal UUID01a0ae6f-bb5b-7800-8d7d-a01345c407b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021952
StatusPUBLIC

Content hashes

Canonical textf1478cf7a79c03f76c2a7d9fbf4f1558cc9d09fa3b7a9bb4649f88bcc86df7cf
Markdown494f9bec830b1753fd05d4e1dc62e4f31de1b2e577f5b085a4487fb07c0c20dd
PDF
Publication pagea161d2c2ce9bf1b8faddf1dbf6280cc3a1fccf19dd2fb745144ec8e17c0082ca
Manifestae97309e983addc3e3d241c58b7618a32a172cbbdd494405b493972606aa2292

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
SignatureDGYy2TtFa2VkS6nL9WzGRKy+/r+ZIAWmRlUWZTA3V15DbiXsB1h5g3c3kiPPyF8GM8zAsqnKo2wBpKbkJ0IoBA==
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

2026-09-17T11:54:37.177047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021952
observed a161d2c2ce9bf1b8faddf1dbf6280cc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:37.160613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021952/manifest.json
observed ae97309e983addc3e3d241c58b7618a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:37.143367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021952/publication.md
observed 494f9bec830b1753fd05d4e1dc62e4f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:37.112582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021952/publication.txt
observed f1478cf7a79c03f76c2a7d9fbf4f1558...
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.