OpenTechnical

OT-2026-000073558

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, manifold 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-2026-000073558) never changes.

Identity and time

Publication numberOT-2026-000073558 · never reused
Internal UUID01a0ae92-efb9-7159-b16e-a114bb76ae7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073558
StatusPUBLIC

Content hashes

Canonical textdc5cb877cac3069e53b0bd1897eb0ada751c53e6dde0e1df18b103354c4ebf90
Markdowne19ce57e0e13ffb38369778ab0a22d8a1cb1fcb5ce8f283ea714f9ad26bb4d36
PDF
Publication page10f2c9210b36d5d2d3736f49e3f7b0412645b55b9df5196d86927886e0822a07
Manifest4e66eb63eca86e24b01bfa03319c7b5abc92241799e004d78c2879e2c7cea184

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
SignatureZ2AGsmvtyqzWku7UYOnHfHI81VEIBlcFS8GLEsTkDiZym0U+T/ULVPSEfy7wReIaguYMacpvJumQ2oMrIiBYDQ==
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

2026-09-17T10:21:24.227872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073558
observed 10f2c9210b36d5d2d3736f49e3f7b041...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:24.207671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073558/manifest.json
observed 4e66eb63eca86e24b01bfa03319c7b5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:24.181186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073558/publication.md
observed e19ce57e0e13ffb38369778ab0a22d8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:24.156389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073558/publication.txt
observed dc5cb877cac3069e53b0bd1897eb0ada...
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.