OpenTechnical

OT-2026-000101972

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum 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-2026-000101972) never changes.

Identity and time

Publication numberOT-2026-000101972 · never reused
Internal UUID01a0aea4-50f1-79b0-8662-a0967286528d · 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-2026-000101972
StatusPUBLIC

Content hashes

Canonical textf6f1a46e96296f2778c4b0d089aebf6f2c8d731f36152b670589959a58bb2ef7
Markdown989fece6254664d51b2d78bd5a57eb889fa9c1f9d6787cdb502a11d31e779148
PDF
Publication page6111e2761f08355e98b932aed4b0d7069e99a10e8da2447bcf6e725843194f2c
Manifestf5f1c1601600b11a52bc3692ab5fc119deb5f4a1f6a35f5de5000712369631a7

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
SignatureVYPBtJZ2ez4VhKDn+fyzp+r7JY4QuIi7BqqjRlks7BaC5iVUoehRVzxlHZHXwDmMLQuVcl5kLkJ7lmOSIpSWAQ==
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

2026-09-17T09:25:05.727222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101972
observed 6111e2761f08355e98b932aed4b0d706...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:05.708453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101972/manifest.json
observed f5f1c1601600b11a52bc3692ab5fc119...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:05.689800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101972/publication.md
observed 989fece6254664d51b2d78bd5a57eb88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:05.670796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101972/publication.txt
observed f6f1a46e96296f2778c4b0d089aebf6f...
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.