OpenTechnical

OT-2026-000101982

Publication integrity record

Foam pad 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-2026-000101982) never changes.

Identity and time

Publication numberOT-2026-000101982 · never reused
Internal UUID01a0aea4-50f1-7c1d-9c98-561c6929ffde · 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-2026-000101982
StatusPUBLIC

Content hashes

Canonical text8fd58e6284177fa1d033e305b1a0fc013c57f25e6eb1d64a28baa3556ab1d51c
Markdownd82313ae560bf1ed5e6421f999354731ab6dbeef6162cacfcb34d3244619a057
PDF
Publication page7616075d1c841ad828231a7dd0f05a2dfbc1e871bd22fc4ef122873853f64995
Manifest95ab77fcaaae4ced1aff7357b5ae7c35b3b2c6283e8436119eb26159ee198c80

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
Signaturew9gqTbrwYOiG/es81rLAlx+H3mpHiwwD11UL/vZvRlboQA8hSPd51V5PJTnJGgIyx3k8/qh0koXqJwgKDN6+AQ==
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

2026-09-17T09:25:06.329456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101982
observed 7616075d1c841ad828231a7dd0f05a2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:06.310341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101982/manifest.json
observed 95ab77fcaaae4ced1aff7357b5ae7c35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:06.291782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101982/publication.md
observed d82313ae560bf1ed5e6421f999354731...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:06.274897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101982/publication.txt
observed 8fd58e6284177fa1d033e305b1a0fc01...
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.