OpenTechnical

OT-2026-000079100

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000079100) never changes.

Identity and time

Publication numberOT-2026-000079100 · never reused
Internal UUID01a0ae95-ccbf-743b-b121-7a2ba00f677c · 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-2026-000079100
StatusPUBLIC

Content hashes

Canonical text5ed5911828a789abf971bd73028878ad1ee98e606b410e935af4d6766ec05ec8
Markdown12e60f85e87138884e27deb1cb241b29d1573318ff2b2062e0b16fdc008bb646
PDF
Publication page0d87be69e461525e10fb1e7a07a7034b90f481e35874f0ae340027b21620dcd2
Manifestb147defab1194bc97d934cb392815a69746f7af4cb830d68821e6a53b9b5f12a

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
SignatureuQgxXOFoE7QdX5CyuwHGy+sS1kqNdDbmxNHlI+GxJmCP4yx+FO8Olfk02Y/ry5XapYEzvta+8UmpgO3h3zSyCw==
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

2026-09-17T10:05:56.783404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079100
observed 0d87be69e461525e10fb1e7a07a7034b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:56.767616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079100/manifest.json
observed b147defab1194bc97d934cb392815a69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:56.750440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079100/publication.md
observed 12e60f85e87138884e27deb1cb241b29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:56.731050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079100/publication.txt
observed 5ed5911828a789abf971bd73028878ad...
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.