OpenTechnical

OT-2026-000077601

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off 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-2026-000077601) never changes.

Identity and time

Publication numberOT-2026-000077601 · never reused
Internal UUID01a0ae95-2ece-7d2d-8c1c-4d84f29725c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077601
StatusPUBLIC

Content hashes

Canonical text99d490266ef55ee865778f31e56f276eef9cf64285e1f43f4a6e88e0f20d09ec
Markdownb34c1fdbf6eca38334d2fb761460560b0987dd8ced4733139176f085ac054f10
PDF
Publication page1befb8253cdf7cb48b7f04a932318b1dd899ef9721761de44b714396be517f35
Manifestd8395ae215ed6e7ebe67d438a035f3cac912645590df9286bcafc93aab698b3e

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
SignatureINmWYOWv0+Yt9IZ6zo1aLeaRizoHxYrllgbfe98LSEsO66wD7XQqU4pUheFizEsuFixZU4E1M8Xo2A8RJCijCg==
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

2026-09-17T10:07:09.462914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077601
observed 1befb8253cdf7cb48b7f04a932318b1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:09.436983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077601/manifest.json
observed d8395ae215ed6e7ebe67d438a035f3ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:09.417552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077601/publication.md
observed b34c1fdbf6eca38334d2fb761460560b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:09.355443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077601/publication.txt
observed 99d490266ef55ee865778f31e56f276e...
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.