OpenTechnical

OT-2026-000027323

Publication integrity record

Foam pad vacuum gripper, three zone face, pump fed, 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-2026-000027323) never changes.

Identity and time

Publication numberOT-2026-000027323 · never reused
Internal UUID01a0ae72-6997-71cd-b6be-be8eb53f5443 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027323
StatusPUBLIC

Content hashes

Canonical texte5eb8ac7c6825cf606a340fbdfb8f2be0a55cc6cb1c0de3c1f92eb2429b8aef4
Markdown05f6577ecb115755ae6c8d5a1f6d903ea90f6e964e564ae40562c7fc1483ed9a
PDF
Publication page188e182487b7a946100929f256bd4d0d49245e91da765b168b1bf920e2b375b3
Manifestdac173d8950361eb306cd1c476979445b113fc93bceb6f0fb9231d2a5367f94e

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
SignatureOPSeLsW1HUf1QKlBWjWISju89oxjK9fVJluFIKK4Ytq+y8PhFmXqtZMw/artnDbDtRAAgmPO/IrSABf4E2McDg==
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

2026-09-17T11:42:43.212348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027323
observed 188e182487b7a946100929f256bd4d0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:43.193737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027323/manifest.json
observed dac173d8950361eb306cd1c476979445...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:43.174420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027323/publication.md
observed 05f6577ecb115755ae6c8d5a1f6d903e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:43.156127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027323/publication.txt
observed e5eb8ac7c6825cf606a340fbdfb8f2be...
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.