OpenTechnical

OT-2026-000043814

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, sustained 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-2026-000043814) never changes.

Identity and time

Publication numberOT-2026-000043814 · never reused
Internal UUID01a0ae7b-d677-7483-8215-5a331f2ed8dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043814
StatusPUBLIC

Content hashes

Canonical textf7758050914d0ff6883bad63a0c53c543a9462eddf1e04cc4036011bc39af261
Markdownc61574d4750dd22231a13013c6a30b95402f47bfb97e6d1c41211a1d82ae020d
PDF
Publication pageb451f33c3563cd2bb625817ac15972069fd0d7c9f61bbc5b1f6d893163439309
Manifestd55819c3f26704cc24c8c35ba37fe22bf8ad304890ea852192d8174948ae6adc

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
Signatureba6fg5TPpwcWNm/wYD9tH3pbx/c7J2MCTB+KxqQr7twe+O/U+uQJ+WactFk4OlVMtNUb+i54qvCSJ6PQbXrxAQ==
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

2026-09-17T11:12:07.263283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043814
observed b451f33c3563cd2bb625817ac1597206...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:07.243418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043814/manifest.json
observed d55819c3f26704cc24c8c35ba37fe22b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:07.223330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043814/publication.md
observed c61574d4750dd22231a13013c6a30b95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:07.206414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043814/publication.txt
observed f7758050914d0ff6883bad63a0c53c54...
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.