OpenTechnical

OT-2026-000013158

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, 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-2026-000013158) never changes.

Identity and time

Publication numberOT-2026-000013158 · never reused
Internal UUID01a0ae6d-6fc8-7646-be41-093ee95f668b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013158
StatusPUBLIC

Content hashes

Canonical text811d9834ed0210a59a313f18969a89e7446a95e79a8fd5114f538065dc376f76
Markdown41be29c5121d72d656c68805ca9ac385760d447956d260f1f62754a7dcac7c05
PDF
Publication page3d6d8f653f4b1600ee0911cdd8110dea1b1629469c527e3d2d294c6f16af4197
Manifesta0148d504d98b55f2dc2dcbe863979fc0d2d0101e4bdd82a26a06fca2078e805

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
Signaturedmi65x5nWlBG3+kO+B1VWcVgSj2s3TJIQ2UUpUwX+CF98t/k06Fuul6SEce2yBDnGQumc8PKnTkEnKEeKmh6AA==
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

2026-09-17T12:09:31.674177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013158
observed 3d6d8f653f4b1600ee0911cdd8110dea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:31.652981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013158/manifest.json
observed a0148d504d98b55f2dc2dcbe863979fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:31.632556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013158/publication.md
observed 41be29c5121d72d656c68805ca9ac385...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:31.611309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013158/publication.txt
observed 811d9834ed0210a59a313f18969a89e7...
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.