OpenTechnical

OT-2026-000081376

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000081376) never changes.

Identity and time

Publication numberOT-2026-000081376 · never reused
Internal UUID01a0ae96-f375-7599-bf53-c82d3e2c01d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081376
StatusPUBLIC

Content hashes

Canonical text012725d24ce2b653e9086af48c46e55aebc6f72326f40e218f44749648c17972
Markdown68dc450c315365b7f3a55b81b4151c8a4e80a150be4767b4fdf5004d01b48783
PDF
Publication pageefa2a9b1da39ce5fed3f644d61bc965dd6459de8d67fadf5034d7fb1d5a0b3d5
Manifest54eb1c088918955243f4f1a799557d01c4786048882b86d055c4509d0459840d

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
SignatureLlLnVuxugHn6NVcsypxE0Er30qz4cuhvtAJ3m2n5T7KF9LKRko4UTYSCNFMDPVIGVz0HLWkBP/KEccEXXPvSAA==
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

2026-09-17T10:01:30.876419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081376
observed efa2a9b1da39ce5fed3f644d61bc965d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:30.857361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081376/manifest.json
observed 54eb1c088918955243f4f1a799557d01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:30.839256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081376/publication.md
observed 68dc450c315365b7f3a55b81b4151c8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:30.820532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081376/publication.txt
observed 012725d24ce2b653e9086af48c46e55a...
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.