OpenTechnical

OT-2026-000023223

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, pulsed blow-off before 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-2026-000023223) never changes.

Identity and time

Publication numberOT-2026-000023223 · never reused
Internal UUID01a0ae70-7267-7c0d-9281-12d13e246f48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023223
StatusPUBLIC

Content hashes

Canonical text1dc723757da01cdec27d24b1e003e880915b65ea1d6e8cf35632646571ffb64f
Markdownb5e6f603d2784014342f550bebde6fc07438d64924a59d2194234b5268390546
PDF
Publication pagea0d4983cdf5d520d696c8906d35c691c422c4a04a0c7eaca485259bdd1577bec
Manifest813bc02f3bb0b067590dbfc312a517281b1f452a86f977678cdea0956fdc82b8

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
Signature8tirKVRzAjrSMAFApBPWf0xHk+rNgIJC7N6R0DK9nuBQN3RxTbJLehyGJ9ueABZ5ylTeUKI2ASUf0cb7P3YIDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:51:16.807668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023223
observed a0d4983cdf5d520d696c8906d35c691c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:16.789248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023223/manifest.json
observed 813bc02f3bb0b067590dbfc312a51728...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:16.771206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023223/publication.md
observed b5e6f603d2784014342f550bebde6fc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:16.752912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023223/publication.txt
observed 1dc723757da01cdec27d24b1e003e880...
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.