OpenTechnical

OT-2026-000055967

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, 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-2026-000055967) never changes.

Identity and time

Publication numberOT-2026-000055967 · never reused
Internal UUID01a0ae87-0a4a-780c-8386-0839d5f776d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055967
StatusPUBLIC

Content hashes

Canonical textd3681af4744a0ae200cfcbc7d19eb88fcec2207cb742e2d2762655d0a83d1ce8
Markdowna660e319241e7c80a48b87a84ed22b3e952b98801fce4fe121b64fb5a3996dae
PDF
Publication page96f120bfdad97a2fe53158e623bba37213b3c296a75cbefe8c5a96327b7fe0b6
Manifest3229ccae4bb14f80e31ceecee260e1b4c802579343b2906871d66d578955c2f6

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
SignaturexoI2JIfiRsBNiVljeNixNpOdLRuVGS9RmIzHkcVtaWVv8A1ptsO+2DlCKvZqp/azJ2resYnTl0QX0iOiMekXBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:29.383643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055967
observed 96f120bfdad97a2fe53158e623bba372...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:29.365881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055967/manifest.json
observed 3229ccae4bb14f80e31ceecee260e1b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:29.346067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055967/publication.md
observed a660e319241e7c80a48b87a84ed22b3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:29.328015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055967/publication.txt
observed d3681af4744a0ae200cfcbc7d19eb88f...
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.