OpenTechnical

OT-2026-000006948

Publication integrity record

Vacuum cup gripper, pump fed, pressure verified, contact triggered, pulsed blow off after set down

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-2026-000006948) never changes.

Identity and time

Publication numberOT-2026-000006948 · never reused
Internal UUID01a0a96d-5075-7aec-880c-83379c1819a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:55:08.665529Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006948
StatusPUBLIC

Content hashes

Canonical text74443744a2ecc8697e0f576e8387ba4ce1257c3ddfcd69601b021a539b00ee9b
Markdownbe5d67c620ea40ad1466cc2cfa5d0227db1a18ae59f31af97ef3a3fef05ccaca
PDF
Publication page4070d755fe5131dd791b18e5f1b9f287a4802706266a420957efad510e193048
Manifest2c27bde67a566d5cb2935aa6fd57e46919daabf6c14cb553a7cc4a9e36a9f9e8

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
Signature1V9Hdm/T1fqvUKnVwPJGXgwfmJJV5pxgGaeKQFXnY1tbmeKnkTeKPVd/NgZwBnx/X02HLgPgQIeW+ZPCirpvAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:18.900066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006948
observed 4070d755fe5131dd791b18e5f1b9f287...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:18.879107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006948/manifest.json
observed 2c27bde67a566d5cb2935aa6fd57e469...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:18.737712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006948/publication.md
observed be5d67c620ea40ad1466cc2cfa5d0227...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:18.723717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006948/publication.txt
observed 74443744a2ecc8697e0f576e8387ba4c...
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.