OpenTechnical

OT-2026-000034578

Publication integrity record

Foam pad vacuum gripper, pump fed, supply line pressure sensor, pulsed 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-2026-000034578) never changes.

Identity and time

Publication numberOT-2026-000034578 · never reused
Internal UUID01a0ae76-1ed0-7859-a7db-9543f15e62e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034578
StatusPUBLIC

Content hashes

Canonical textc9671a190d83c02b1b2e0f26e9a24f7372dab7f7eb97e52b081c9deb71c9eb0a
Markdowne910c2bf7413597295d589d2fa56da083fafc57d7dc8cccb6fea1c5a98099349
PDF
Publication pageedff18c3189a6ac7d1d4f600e0b49390535018df6095d45b68f9de1ab84674b5
Manifestbc1bdad305a30762e1f547cd312823f8c8fd2e65072fd52906acade00fd19ce8

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
SignatureI+Y3YBmImlr+8UuxLEEr0mstVOM7k3bmaPiTtK6mKRiXDKF29gfAuJlcbr3dNr+sBKrqzFJDFc9cjrU41Fa+Cg==
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

2026-09-17T11:28:56.879202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034578
observed edff18c3189a6ac7d1d4f600e0b49390...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:56.861836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034578/manifest.json
observed bc1bdad305a30762e1f547cd312823f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:56.840869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034578/publication.md
observed e910c2bf7413597295d589d2fa56da08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:56.822997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034578/publication.txt
observed c9671a190d83c02b1b2e0f26e9a24f73...
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.