OpenTechnical

OT-2026-000071522

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum 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-2026-000071522) never changes.

Identity and time

Publication numberOT-2026-000071522 · never reused
Internal UUID01a0ae91-e0ee-7886-babe-2c40e29214b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071522
StatusPUBLIC

Content hashes

Canonical text3085d7101ea542ae793cd2a42c8fa7ed7d3fe78e03646557880ccc1ffc357e43
Markdown4ca8b155dfbc45d42a10ae1ff3858be39f24460457fd84d6122ed652f36aba7e
PDF
Publication paged146372421a071e97ee70bd1ba2d73955e0d677ebe74f507af436ca67d55d76a
Manifest263e9d92a23eb33d8c5390fa3a03aff579011e1481c7305212d854cc99112764

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
Signatureu+jl6wMtzR8/HG5ch4k0i9pTu6Mp574F2YfM1dBvJRprcVc5n3ryI1posFlYLZGT3+cERrO9SOKEIK0ktR5pBw==
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

2026-09-17T10:25:10.283600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071522
observed d146372421a071e97ee70bd1ba2d7395...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:10.264894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071522/manifest.json
observed 263e9d92a23eb33d8c5390fa3a03aff5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:10.245323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071522/publication.md
observed 4ca8b155dfbc45d42a10ae1ff3858be3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:10.223753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071522/publication.txt
observed 3085d7101ea542ae793cd2a42c8fa7ed...
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.