OpenTechnical

OT-2026-000102018

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, single stage ejector, 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-2026-000102018) never changes.

Identity and time

Publication numberOT-2026-000102018 · never reused
Internal UUID01a0aea4-50f1-7c66-b12e-ff76b730375a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102018
StatusPUBLIC

Content hashes

Canonical text378f30decd24c8c98a22417c0b336543635db127ffb3f38961eff5be3258117a
Markdownf5ae3e512f8ec08444f258d77ca6109c35a49b8869e1fe3633b455f03b1d6b55
PDF
Publication pageea787182e77fd7132381b7830a5963045bb0e1b1a49bd2cc7fcc2141a0dbf543
Manifestb8e6d33ccdb9252b9861463ced746ad33b590a958b037428328e66f5cb0087b7

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
Signature20XsxA1HbdJez2E1nEQklt0NBVKW0gDBeYJ6StufyxhlMO6CFAlicDS1Fu9MUzJ7xi2vG4NNp6KWgUNnwoXjAw==
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

2026-09-17T09:25:08.988170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102018
observed ea787182e77fd7132381b7830a596304...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:08.968940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102018/manifest.json
observed b8e6d33ccdb9252b9861463ced746ad3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:08.951839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102018/publication.md
observed f5ae3e512f8ec08444f258d77ca6109c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:08.933814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102018/publication.txt
observed 378f30decd24c8c98a22417c0b336543...
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.