OpenTechnical

OT-2026-000077133

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, 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-2026-000077133) never changes.

Identity and time

Publication numberOT-2026-000077133 · never reused
Internal UUID01a0ae94-f507-741a-a889-e0c12485a3f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077133
StatusPUBLIC

Content hashes

Canonical text7066d67df149e3e2afd7af0c33bd6661fef5f3fb54919c0791a191c221e24eb2
Markdown9dd1365748052926c3adae9fa5d677a9f414b9d601ebc19e8e8107b33736212a
PDF
Publication page80d021445354f614ef36f029c067a8318770bd8ac6d24844ba0bf5671a272bdc
Manifest6d0ade5b05bc769b33304c34d5441e49e701d924bea72a8493d8d41e9ac78f74

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
SignaturebYLkLCFRw3uXUdciSNHygnETSAksR4EgeTL3JpxDQa5iSDR+w/lTNNhbbgu1bf91tjK7Uv+fepXEkl9cF5C9Cg==
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

2026-09-17T10:11:42.441018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077133
observed 80d021445354f614ef36f029c067a831...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:42.043901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077133/manifest.json
observed 6d0ade5b05bc769b33304c34d5441e49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:42.023654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077133/publication.md
observed 9dd1365748052926c3adae9fa5d677a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:42.004876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077133/publication.txt
observed 7066d67df149e3e2afd7af0c33bd6661...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:36.429498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077133
observed 80d021445354f614ef36f029c067a831...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:36.411810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077133/manifest.json
observed 6d0ade5b05bc769b33304c34d5441e49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:36.395113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077133/publication.md
observed 9dd1365748052926c3adae9fa5d677a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:36.377604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077133/publication.txt
observed 7066d67df149e3e2afd7af0c33bd6661...
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.