OpenTechnical

OT-2026-000058638

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000058638) never changes.

Identity and time

Publication numberOT-2026-000058638 · never reused
Internal UUID01a0ae88-f39d-796f-b9fb-a2b81b4a8082 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058638
StatusPUBLIC

Content hashes

Canonical text038d592250e123819c6d9ee6eb20361357082fe2caf561432b689534079d778d
Markdownefc5f85a5706477d48c5c0dd4eee7486f2d7af9859375eb3307bfa91821fb63b
PDF
Publication page5794f06e411411f365cd98730559787f4e19f991bb2c30804a8a0a1d32f37c47
Manifest7609b05d83ea11f9a5fb067fbbe92402045576ad1aabd4c8b643f770b15bf1e7

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
Signaturep7VUs3X4g01UF/3TnGvvFS8XRmddbzI2y+8FBXp8fr4a3PQtGPkrcwB/uNLX8xxD/Gv/x2PGyWxlYaZ+qmNiDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:08.901846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058638
observed 5794f06e411411f365cd98730559787f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:08.883399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058638/manifest.json
observed 7609b05d83ea11f9a5fb067fbbe92402...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:08.865907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058638/publication.md
observed efc5f85a5706477d48c5c0dd4eee7486...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:08.847691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058638/publication.txt
observed 038d592250e123819c6d9ee6eb203613...
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.