OpenTechnical

OT-2026-000100052

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single stage ejector, pressure sensor per zone, sustained 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-2026-000100052) never changes.

Identity and time

Publication numberOT-2026-000100052 · never reused
Internal UUID01a0aea3-1474-7734-bc94-5adfb610ded1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100052
StatusPUBLIC

Content hashes

Canonical text3130239641f7f860e7ae027de4a48f06d979d0b59293c0cb78edb186c100d2aa
Markdownf0df846eacc39d35dabcbc51680f3701fcba51426c5cb07030ad60d0b6ce7c62
PDF
Publication page39686fc90346bf11a2f69c074c123f26317eb13b74c5f7652f51576d3e1c7767
Manifest0d790d05e826530bbb74ad5e36fd0db3fa90a8cb7b3a949fad4972c270f81150

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
SignatureBbQs4bzadzWeYk0MWk8eZcLvYdxv+Afm7EPjp5dMO42BAmAVPzI8Abcw1i8Xufth21U3bwQu+YLk4BRMk1OSDA==
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

2026-09-17T09:28:59.600492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100052
observed 39686fc90346bf11a2f69c074c123f26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:59.582639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100052/manifest.json
observed 0d790d05e826530bbb74ad5e36fd0db3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:59.564439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100052/publication.md
observed f0df846eacc39d35dabcbc51680f3701...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:59.545355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100052/publication.txt
observed 3130239641f7f860e7ae027de4a48f06...
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.