OpenTechnical

OT-2026-000083718

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, vented 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-2026-000083718) never changes.

Identity and time

Publication numberOT-2026-000083718 · never reused
Internal UUID01a0ae98-0417-7bb0-9603-861fbdd69a90 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083718
StatusPUBLIC

Content hashes

Canonical textf60cc68ff5f466d52d3516bc61f81e231754cc1a3ea800a7b178830a2746988b
Markdown48bf4749edd8fd351eebe1cd3a6a14cb8c9f474955eb94cea0d248a5dfce05b5
PDF
Publication page07c5072ca990ee947b96d2cc0249d06913fb42a640aef813622dd6d20e75d9ba
Manifest9bb7405c7c1f2c24a8bddaac0618955095abef605e467e996700733b9e72b57b

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
Signaturesc0ipw5z80W7CTPAJC1mjii/ZY2w1cB3wibs8VD9jJT+df8kaB5NymvJtoIZ1Oo8j9WJgt+BOdbA5WmwZi9vCQ==
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

2026-09-17T09:57:21.013400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083718
observed 07c5072ca990ee947b96d2cc0249d069...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:20.995673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083718/manifest.json
observed 9bb7405c7c1f2c24a8bddaac06189550...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:20.952227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083718/publication.md
observed 48bf4749edd8fd351eebe1cd3a6a14cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:20.908108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083718/publication.txt
observed f60cc68ff5f466d52d3516bc61f81e23...
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.