OpenTechnical

OT-2026-000054892

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000054892) never changes.

Identity and time

Publication numberOT-2026-000054892 · never reused
Internal UUID01a0ae86-1285-76d9-8e0c-d94ea75ddeb1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054892
StatusPUBLIC

Content hashes

Canonical textba8e2801866d01b373803605efe8e71210bd1b9e7af3f0bb53c861eddbb78ff6
Markdown615530b65e16ea702b2b1d418453b36b3c87dd4ff526698982e3ab65308c8347
PDF
Publication pagee1664b954aeb434d5a293a28b9c7b4a40a643c5ad9fbffe245c0eea866296a63
Manifest59de3e869e7457c16cc576b1375b9dee6d81172bd9953ff0dcae62752dacddc7

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
SignatureS+AYT1CDl6+cmuIE9UtYpCe0oize1C9DU/PmTErd3berZVBRxZfakpSRMwJEZmE8EIlgnxKDzOIz2aQ6dfBADw==
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

2026-09-17T10:54:07.168339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054892
observed e1664b954aeb434d5a293a28b9c7b4a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:07.150130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054892/manifest.json
observed 59de3e869e7457c16cc576b1375b9dee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:07.129543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054892/publication.md
observed 615530b65e16ea702b2b1d418453b36b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:07.103391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054892/publication.txt
observed ba8e2801866d01b373803605efe8e712...
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.