OpenTechnical

OT-2026-000101775

Publication integrity record

Foam pad vacuum gripper, four zone face, plant vacuum fed, pulsed blow-off 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-2026-000101775) never changes.

Identity and time

Publication numberOT-2026-000101775 · never reused
Internal UUID01a0aea4-0e17-7bc1-a499-06cf3e47ab5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101775
StatusPUBLIC

Content hashes

Canonical textbdce6b8603ba79901222f7f06d67d5d736812d17b0d109b6f4a7ff384668e533
Markdown2c2cf130f40cab74bc4d580f9529eeae624b2701aee85bb5fa13208ac8cdc263
PDF
Publication page14ee326b34dfee8d01e562a5173a8fcb168d805045a8d3136bb39884f5d70d7d
Manifestf5be9fdbea1c086c91742b50c195d2f6d5adbf1519dff6192ae5b8c6cc815570

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
SignatureLf4KXxLHM3wptlRstr7X9+i/o8/3CTeKCfHGNFX+T3cIWSx1K3UhOePtqQ7vb6SjaXn05WhmrCWOPIGfEMsGBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:16.133910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101775
observed 14ee326b34dfee8d01e562a5173a8fcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:16.114185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101775/manifest.json
observed f5be9fdbea1c086c91742b50c195d2f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:16.096365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101775/publication.md
observed 2c2cf130f40cab74bc4d580f9529eeae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:16.078308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101775/publication.txt
observed bdce6b8603ba79901222f7f06d67d5d7...
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.