OpenTechnical

OT-2026-000091018

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, three stage ejector, pressure sensor per zone, sustained 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-2026-000091018) never changes.

Identity and time

Publication numberOT-2026-000091018 · never reused
Internal UUID01a0ae9c-c011-7863-b8f9-fb74cbdb0673 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091018
StatusPUBLIC

Content hashes

Canonical texte2714ce228b31337832d82da04a69d369ba616b0249279b12542f7ed90c0ee98
Markdown11b73e8878f600b7d381eaea2f5b7360ae896030048ebbb782c9cfa413930350
PDF
Publication page803f91cfe2e7039770afa583a2fdd13397702f3a04990e5ecffec6d977b9f9c1
Manifest9c43d36d78fc8f90aeb3a217c264f298a3475aa580a2002ce7cceff150b86246

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
Signature9PAaYFZiqiNE4ndynvRxFhsuyXzUzgGyGPx1VtSdP0dWcRExEwi1eNuNnRjI11GwPm8HX329BayHPuXHWZvZAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:44:15.437011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091018
observed 803f91cfe2e7039770afa583a2fdd133...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:15.406025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091018/manifest.json
observed 9c43d36d78fc8f90aeb3a217c264f298...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:15.389956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091018/publication.md
observed 11b73e8878f600b7d381eaea2f5b7360...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:15.373353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091018/publication.txt
observed e2714ce228b31337832d82da04a69d36...
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.