OpenTechnical

OT-2026-000100805

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, pressure sensor per zone, sustained blow-off before set-down

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-2026-000100805) never changes.

Identity and time

Publication numberOT-2026-000100805 · never reused
Internal UUID01a0aea3-66f5-720f-9a15-875e334e20bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100805
StatusPUBLIC

Content hashes

Canonical textb6db9472dbd5895f31e2cb92c4a56b4ee7f1975f9481f71256d742dc5705bd60
Markdowne9a2c3ba72ea7444ea3711661b76951b30c4447348653a4bd8649e79b733580f
PDF
Publication pagee59d0dca3d8e9bc226805e69149a6aba65839b89345dda798da58635d674be61
Manifestd5f44af68901e049f94a2ab2e2007d3d2ab3524ce3cb518b71b38365f30ebb0d

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
SignatureM6gTFa7nbBBNWhdkzKhorDkEfWKzJrw2fkTP9F8EMlplOJFX7kagTBlRVK5l6Tbsm/BPjSf6rmHwAXvR/onLCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:43.234732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100805
observed e59d0dca3d8e9bc226805e69149a6aba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:43.215217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100805/manifest.json
observed d5f44af68901e049f94a2ab2e2007d3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:43.197438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100805/publication.md
observed e9a2c3ba72ea7444ea3711661b76951b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:43.178677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100805/publication.txt
observed b6db9472dbd5895f31e2cb92c4a56b4e...
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.