OpenTechnical

OT-2026-000053872

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000053872) never changes.

Identity and time

Publication numberOT-2026-000053872 · never reused
Internal UUID01a0ae85-735e-77ba-8af8-1a3d57b2598f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053872
StatusPUBLIC

Content hashes

Canonical textdef7278f3aaec339d98e72f1fe0cf27c429743b1afe440b839937b187f7b9ca4
Markdown5b5752061774171adeae68567a4e3981c45cb45fdfcbfe7b9ec76c57b91f59cc
PDF
Publication page452c114534f6169395b71e1477292d657b406132a9cd9cefb7c605fecace17cd
Manifest00dcbd329ef927a93cfaee3be1ae8674bbcb262c69942bcc8da1b3d29cf3d6dc

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
SignatureN4FWhj1oYAgBu9pieKV2pNODkDAmhLpe2y+JHHW8BmkrMZm6lo6GqU5mnJVa15N9xz9oeyOC8E932PDjUGnTAg==
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

2026-09-17T08:40:39.977113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053872
observed 452c114534f6169395b71e1477292d65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:39.847843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053872/manifest.json
observed 00dcbd329ef927a93cfaee3be1ae8674...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:39.828775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053872/publication.md
observed 5b5752061774171adeae68567a4e3981...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:39.811992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053872/publication.txt
observed def7278f3aaec339d98e72f1fe0cf27c...
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.