OpenTechnical

OT-2026-000070830

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000070830) never changes.

Identity and time

Publication numberOT-2026-000070830 · never reused
Internal UUID01a0ae91-8c2d-78de-b5ab-bc62e758c6e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070830
StatusPUBLIC

Content hashes

Canonical text6656157adf1d73f90c0eadca7dd87615c3bb6afce527f268b5301563e7083edf
Markdown24e5305c6b74e1ec5b88ea5099a54d4ee3374c9ce16eb62954fdc98ee5a35388
PDF
Publication pagefaa59b3a48df7d240b59e86214d106f424b11b1bb549b2dcb85763757437f36e
Manifest3e2bd66b24994db034255200d0fcaa92f92d8bc2ee92afff7f7c145a0ee98c03

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
SignatureKW3wdEgByIpgcExLXCJVB14DDWmRHN6ZsMKvBCmGv7H6goiJmMogOicHGQxbukDv38cKqT0rT3MNoG8xLsOwBw==
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

2026-09-17T10:25:38.673902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070830
observed faa59b3a48df7d240b59e86214d106f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:38.658078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070830/manifest.json
observed 3e2bd66b24994db034255200d0fcaa92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:38.641854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070830/publication.md
observed 24e5305c6b74e1ec5b88ea5099a54d4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:38.624123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070830/publication.txt
observed 6656157adf1d73f90c0eadca7dd87615...
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.