OpenTechnical

OT-2026-000077827

Publication integrity record

Foam pad vacuum gripper, two zone face, three 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-2026-000077827) never changes.

Identity and time

Publication numberOT-2026-000077827 · never reused
Internal UUID01a0ae95-2ed0-724e-85e5-c94cfbf8a96a · 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-2026-000077827
StatusPUBLIC

Content hashes

Canonical text47d8d983d74d61ad685b0010afa7b64743fa5702e17b7df1db8c1b410483a837
Markdown4bc70496ddb4d22b4be9f4388693a2bddb9cc1f81d4471e9a63db6182bb35ba4
PDF
Publication page444751d69d3a73ffb133dc8a5dcc2bebdf437707c803cafa9a13ba550163858b
Manifest1f1da1db12b4a81be9c87bd9c5b3a65ddf328124d5d8162e1ffd0434e030a6a4

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
SignatureZ+9Rk8cf+FOc77JI3ZaOoqUxHyku9z6UarbgUNLMCRTtL9M2SsbkRZk3g+/2JEovkY3zJD7b5r6jG1fJpFLKCQ==
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

2026-09-17T10:07:25.394599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077827
observed 444751d69d3a73ffb133dc8a5dcc2beb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:25.374778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077827/manifest.json
observed 1f1da1db12b4a81be9c87bd9c5b3a65d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:25.354073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077827/publication.md
observed 4bc70496ddb4d22b4be9f4388693a2bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:25.334805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077827/publication.txt
observed 47d8d983d74d61ad685b0010afa7b647...
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.