OpenTechnical

OT-2026-000079020

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000079020) never changes.

Identity and time

Publication numberOT-2026-000079020 · never reused
Internal UUID01a0ae95-ccbe-7718-9c01-681da418e70e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079020
StatusPUBLIC

Content hashes

Canonical textb1493ef39ce9d6827ea438b86c1f9b2a1db95dd61b3cde6659f2a47ee6febd04
Markdown3fdab6f2687fd6e884d088551c22451566b83699b9bab4fbefed0b2f0d9ae3ec
PDF
Publication page9fb956d5e07b11dc8004e00034688b4f1b3512ae71889912e0d0a49d21f4ae1d
Manifest091e958ccd80d9213bf368a493395c33fdc152a7362bc1d720acf462c94d8273

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
SignatureO0bdtHacqwQgENbFENFZ6yPZ3l5OyKylLCc+xUMB/vvYMscI4AIHnROR2Osp99lDoezG3TcLiw3QPQh3zRyHCg==
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

2026-09-17T10:05:51.495745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079020
observed 9fb956d5e07b11dc8004e00034688b4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:51.475969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079020/manifest.json
observed 091e958ccd80d9213bf368a493395c33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:51.459032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079020/publication.md
observed 3fdab6f2687fd6e884d088551c224515...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:51.438553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079020/publication.txt
observed b1493ef39ce9d6827ea438b86c1f9b2a...
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.