OpenTechnical

OT-2026-000057499

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single 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-2026-000057499) never changes.

Identity and time

Publication numberOT-2026-000057499 · never reused
Internal UUID01a0ae88-2692-7dc9-b945-8e266650e862 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057499
StatusPUBLIC

Content hashes

Canonical text13869f852f05d0a25931f9af5a1f3cc57513cd00f50a664d185e4fa461dbfd4d
Markdownd378bd908c6f4b52f703f4b200e6444dc4da1623457e4825dd72b7946baa2ca0
PDF
Publication pagea5c0ffa787c49604f9026d969c333a9e26810404efcb8b29b69434317502b801
Manifestfdf25c7e681efa5a928f72f24d9d36066b31f9534aede0d231c25b09af62b68d

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
SignatureA8PVkzSsgQS5tCbOLzy7w8Ij7Surj6dI3vT0HA+LKmwIH0HH68nW0rrwuSSKN9qK7j4TK4W505UzgHqZFlaBAA==
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...

Independent retrieval

2026-09-17T10:48:01.571936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057499
observed a5c0ffa787c49604f9026d969c333a9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:01.554147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057499/manifest.json
observed fdf25c7e681efa5a928f72f24d9d3606...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:01.534138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057499/publication.md
observed d378bd908c6f4b52f703f4b200e6444d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:01.513574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057499/publication.txt
observed 13869f852f05d0a25931f9af5a1f3cc5...
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.