OpenTechnical

OT-2026-000101999

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, pulsed blow-off after 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-2026-000101999) never changes.

Identity and time

Publication numberOT-2026-000101999 · never reused
Internal UUID01a0aea4-50f1-7c07-a3d1-277a3016e509 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101999
StatusPUBLIC

Content hashes

Canonical text625cb92f6a91fc055a6ab2257f1ab5c7665f3e0ba197de607653cc814261154f
Markdown894fd40a098e6f5cc8c94a0a80ee58722040a995b0e70de250af156085130d9d
PDF
Publication page08161c8cf40b2c0e7d7b00420d22431a3e94e95a5f2c50049e18ca72c8261e6f
Manifest0ca8d6e27c033802a3099fa4eb661812530f2defb2412aaba79097f7e572f97d

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
Signature+ib9cOGqAm/tPEoCzQtN1TDzxuF4hkhl1eT6BiloxbKPwxPrvIwhk+Xw2Zrf/phuxEV7+UEZJAMqpvjJsrBDCA==
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

2026-09-17T09:25:07.511523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101999
observed 08161c8cf40b2c0e7d7b00420d22431a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:07.491384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101999/manifest.json
observed 0ca8d6e27c033802a3099fa4eb661812...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:07.471957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101999/publication.md
observed 894fd40a098e6f5cc8c94a0a80ee5872...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:07.453612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101999/publication.txt
observed 625cb92f6a91fc055a6ab2257f1ab5c7...
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.