OpenTechnical

OT-2026-000071229

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000071229) never changes.

Identity and time

Publication numberOT-2026-000071229 · never reused
Internal UUID01a0ae91-e0ec-7a78-a860-77252ee34f47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071229
StatusPUBLIC

Content hashes

Canonical text05c7106c34859b19a6f0a51e7bbd45719beb938db0076db16bc49942e3a43a43
Markdown85e608bb0440bae09a0137239687338c532293bcc23818c142252ed26d19df97
PDF
Publication page7dd50542a6e62f32dee8406f7ca207311592058a49200883f90a1be1a49f544e
Manifest2cb2ac7fd1514a560361357a37b69948c0ed4d1fcd4ba0b657686e156dd54a1c

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
Signature4tqPOXdVHtZmaRUblM/HGbAyQcieU0E7N2HWQeyYuEs8P3C769ZuZHWshLBCmdFOGWcAzi3zE/0Zb1sV4TilDw==
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

2026-09-17T10:24:46.349897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071229
observed 7dd50542a6e62f32dee8406f7ca20731...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:46.332108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071229/manifest.json
observed 2cb2ac7fd1514a560361357a37b69948...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:46.313693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071229/publication.md
observed 85e608bb0440bae09a0137239687338c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:46.297327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071229/publication.txt
observed 05c7106c34859b19a6f0a51e7bbd4571...
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.