OpenTechnical

OT-2026-000037996

Publication integrity record

Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, 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-2026-000037996) never changes.

Identity and time

Publication numberOT-2026-000037996 · never reused
Internal UUID01a0ae77-f88a-7fb5-a30b-defaf61d2bf4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037996
StatusPUBLIC

Content hashes

Canonical text0533d45a6313173ab192f6ed49eb1c4c4c1f819adfb7301f47cc9d9087572c52
Markdown1cfac8a60d7d29967187e7d89e86690ed31111e88e892544cc5613e75a7222ec
PDF
Publication pagedeb09fc2cc5d38da1cca67e531524cd1b46203cf7b756bb26eb7f226972293f1
Manifeste7ae188005271bad0174e917b397ec46c7cacbd3d6f49cd6bea163c6d35b8420

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
Signature2Vu6Y08Zbn8yqRvs1st//Vkg6COJhCE4QRNUhECpFiEHmXjltrKk1WrppXaYLp3qLGx/3CxpBVFK9aNED0vBBQ==
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

2026-09-17T11:23:17.673310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037996
observed deb09fc2cc5d38da1cca67e531524cd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:17.654476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037996/manifest.json
observed e7ae188005271bad0174e917b397ec46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:17.635835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037996/publication.md
observed 1cfac8a60d7d29967187e7d89e86690e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:17.614981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037996/publication.txt
observed 0533d45a6313173ab192f6ed49eb1c4c...
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.