OpenTechnical

OT-2026-000069848

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000069848) never changes.

Identity and time

Publication numberOT-2026-000069848 · never reused
Internal UUID01a0ae91-1860-73e0-ba4c-d35a1b321b7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069848
StatusPUBLIC

Content hashes

Canonical text22c0f28e1514038a34b5ad4f3c63a89bff879b11aa680600034f25cbc776f943
Markdown3985d3b378556dddcc93beaa31a4f5ab89c53b3acf62ad7bba68389f11b3ff3d
PDF
Publication page73f9c894a17a3b719cb4f0aacbdd421c8d1583944a8b2a9e23b8061a6e0c8557
Manifest6b594b8f2ac9cfa705ad365f97e67953b625fe69be2e579a0501940717ae94b4

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
Signaturew7NAlazA5OqR54bNCPn2gatfsYbMlgiK3m5+7a1eilHnKcUAG8MEfAS+OwN6/8tHFG3XNl11jTxcz1YUtH0jBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:31.541648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069848
observed 73f9c894a17a3b719cb4f0aacbdd421c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:31.523149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069848/manifest.json
observed 6b594b8f2ac9cfa705ad365f97e67953...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:31.505661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069848/publication.md
observed 3985d3b378556dddcc93beaa31a4f5ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:31.487519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069848/publication.txt
observed 22c0f28e1514038a34b5ad4f3c63a89b...
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.