OpenTechnical

OT-2026-000101843

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, two stage ejector, 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-2026-000101843) never changes.

Identity and time

Publication numberOT-2026-000101843 · never reused
Internal UUID01a0aea4-0e18-722b-9fda-cba234c1bc21 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101843
StatusPUBLIC

Content hashes

Canonical text2bdffc930f199a978370795b383e2b3eb0e1004ecc1287f54d52ce60cd05b921
Markdown3ac9e52c95ea0ea34a1f2989de10aec8bfb9dfad9de8de12b09a23daa7058e32
PDF
Publication page272e989c0261883d4ec4c03b1cb319a8f63e0f60ac09a3a52908c4871b27d482
Manifest0ad9f8a944512ce6e98760fd93fa497a8c5a544d32d7858fb39717e5dd38e373

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
SignatureWtYtu1XF2wqMPBft/lHhr35NgBzRhdI/0Q2xkEC4AKdwsu7SvH7xn+NmzhI7nMWRs5LWoa8TaxpwE5xVdqaTCw==
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

2026-09-17T09:26:20.898763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101843
observed 272e989c0261883d4ec4c03b1cb319a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:20.882482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101843/manifest.json
observed 0ad9f8a944512ce6e98760fd93fa497a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:20.865213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101843/publication.md
observed 3ac9e52c95ea0ea34a1f2989de10aec8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:20.847831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101843/publication.txt
observed 2bdffc930f199a978370795b383e2b3e...
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.