OpenTechnical

OT-2026-000055290

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, vented 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-2026-000055290) never changes.

Identity and time

Publication numberOT-2026-000055290 · never reused
Internal UUID01a0ae86-a100-7b18-b78f-131bf284c8dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055290
StatusPUBLIC

Content hashes

Canonical text2c557107591b431f37e2b919346a9af3bfb41f69201148f72cdb97f27a538ced
Markdown9e28c61de043db375720f6d377522cf87d2489f7b822665544ecc9ac26469075
PDF
Publication page7eded211005bf56cf4ec536d6ec58a0056d81a4691d40fa6fa5bcffba7772824
Manifestfcff6d29e72657f08f8461560f6d22392c4328f792d40bcaa267f27fd89b7a3c

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
SignatureVydutVQ1OoahIu0Nr3+WktOVYjztLceloOyTgPk9WPzkhUl50ZrijjqbTlGCakQl2eHmJDk9lS1LZPsRijIZCw==
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

2026-09-17T10:51:53.398821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055290
observed 7eded211005bf56cf4ec536d6ec58a00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:53.381208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055290/manifest.json
observed fcff6d29e72657f08f8461560f6d2239...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:53.364281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055290/publication.md
observed 9e28c61de043db375720f6d377522cf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:53.348075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055290/publication.txt
observed 2c557107591b431f37e2b919346a9af3...
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.