OpenTechnical

OT-2026-000073035

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, 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-2026-000073035) never changes.

Identity and time

Publication numberOT-2026-000073035 · never reused
Internal UUID01a0ae92-c816-79f3-bde0-a26fc9e1ed7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073035
StatusPUBLIC

Content hashes

Canonical textd3b57bd03c3d087ef02d9c53a689380b97f9427ba3252563538dd43e7dfc7737
Markdown558f9c71745f257f883c12632b33c69772d41d46c5f0e4033b600649e6774429
PDF
Publication page15c723f067f008a05f0a323fdd54c6471fcd2c9881ed615efd109355eacf429f
Manifestd6a831b7bbd0eb71f0f5015bbc5e70c5a240b2f5d39dd97a8c5d47ff20b0b5dd

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
SignatureTFSmPkZaSYa/HaV0qHStf92DWTL654cZZoDQCIDZxtCMeiBYMv+qofH7IZzYwbDLF2HbxN7+19DgjCsTj2+RCQ==
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

2026-09-17T10:21:58.596089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073035
observed 15c723f067f008a05f0a323fdd54c647...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:58.577598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073035/manifest.json
observed d6a831b7bbd0eb71f0f5015bbc5e70c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:58.558402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073035/publication.md
observed 558f9c71745f257f883c12632b33c697...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:58.540985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073035/publication.txt
observed d3b57bd03c3d087ef02d9c53a689380b...
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.