OpenTechnical

OT-2026-000030719

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000030719) never changes.

Identity and time

Publication numberOT-2026-000030719 · never reused
Internal UUID01a0ae74-3fb4-7acd-a975-c7d877933e61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030719
StatusPUBLIC

Content hashes

Canonical text1f099d1d80409e62e1b0ce7ec4c0bdc5cc796435403747c50bf022d74c17d808
Markdown700656599418662c886c7f4fca5baa74729f687578705ad893cf827cca8a7fb6
PDF
Publication page4f33f22b14ca96b5983f7b8cacc9344d177ba822cb9bb2c0d320482f2f970c91
Manifest57634a797c077993a2e28212c0aa62574c62d94359c57cdd26dd3fce5048e0af

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
Signature/VzmPO262QeTApKvrLDKb3X5HMjY9wIuxy1mtG4RMyDC6YnJ/i8Fnv1+zvN51eKe+u3spnRY0osTv9iDzW8RCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:36:38.764043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030719
observed 4f33f22b14ca96b5983f7b8cacc9344d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:38.744787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030719/manifest.json
observed 57634a797c077993a2e28212c0aa6257...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:38.727434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030719/publication.md
observed 700656599418662c886c7f4fca5baa74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:38.709777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030719/publication.txt
observed 1f099d1d80409e62e1b0ce7ec4c0bdc5...
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.