OpenTechnical

OT-2026-000021356

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000021356) never changes.

Identity and time

Publication numberOT-2026-000021356 · never reused
Internal UUID01a0ae6f-865c-7ad7-b2ca-f80c4bd17f52 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021356
StatusPUBLIC

Content hashes

Canonical textd7a1bf16ed5b638e84d68f7179cb22203885be055ec41050d3f4fae9e723e450
Markdown3a9a925eadbee930019a40519016d4d2ab225e26e6065f36065072b44ec24292
PDF
Publication pageec6003b8886c51ac827566bae60f56468f65a02e7344d13e1f0244f30f073589
Manifesta88128fb85526bc9e03cfd6e536da7c5df8f6ff4788b6860a9ae846772314da4

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
SignaturespPypkNOSwVKpc3LGdOH7SaTgZhL+KhLey9TRF374Xp6RJ4Irr5d/ecIMkN3D2qeUKEmNFX6SbWIfLOwUu+0Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:55:13.005714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021356
observed ec6003b8886c51ac827566bae60f5646...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:12.981495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021356/manifest.json
observed a88128fb85526bc9e03cfd6e536da7c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:12.961443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021356/publication.md
observed 3a9a925eadbee930019a40519016d4d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:12.939958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021356/publication.txt
observed d7a1bf16ed5b638e84d68f7179cb2220...
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.