OpenTechnical

OT-2026-000008256

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single stage ejector, vented after 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-2026-000008256) never changes.

Identity and time

Publication numberOT-2026-000008256 · never reused
Internal UUID01a0ae6a-908e-7aa6-9a7c-96d05989eccd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008256
StatusPUBLIC

Content hashes

Canonical text7b7d254b07a89cb5ec1c890511d49d9df9dfe853b64233bb1a28edec2b67f544
Markdown9e7878410054c811faa0c8a422d3ab5e121d10487ef294840cdda3111d2e4c3d
PDF
Publication page40b58fd4d93af9d1a778417b13608d1b67076a6aebb93031b3557bda6def3ef8
Manifest4000be88f9dccdba19dfc3fa18e7031c32ce8073a8cad22242646ceab6613d55

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
SignaturerJvrgs5HUN5HWbOqnaTNrRW+fw5BKljoESVlbj04y4x17tzj5UqhP58guzxyeCEtfcS8YUbnrML7L+WBIG5xBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:41.261741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008256
observed 40b58fd4d93af9d1a778417b13608d1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:41.235848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008256/manifest.json
observed 4000be88f9dccdba19dfc3fa18e7031c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:41.218669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008256/publication.md
observed 9e7878410054c811faa0c8a422d3ab5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:41.201817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008256/publication.txt
observed 7b7d254b07a89cb5ec1c890511d49d9d...
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.