OpenTechnical

OT-2026-000045778

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000045778) never changes.

Identity and time

Publication numberOT-2026-000045778 · never reused
Internal UUID01a0ae7d-8f05-71b9-9101-4e9cfd97807c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045778
StatusPUBLIC

Content hashes

Canonical textd2b5e03ed5eb291404bd767a51f081fff82e880df5aae34ab5bcb4275408a6af
Markdown7b8cbfa0ee06dd07efb17a60c0a35abbcdd364ef2db6e50b61b6b2c44eb0ebee
PDF
Publication page8407e99cdd74c755082072505d68881928601e08b81b498bbb249cb4d9a44992
Manifest6fd43571e81515dd5e0d76a85d77fa16385d2dedfb1c9d90583f99d580f4612f

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
Signaturec1M9ufFuMHrVU/kxcrkuRVdx3NI1GxP03xdCBjVdN/Km9ChztG3+BZlotfXTvoj0lWpDtpnshIs4kf+r8MBYAA==
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

2026-09-17T11:09:38.260818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045778
observed 8407e99cdd74c755082072505d688819...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:38.243826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045778/manifest.json
observed 6fd43571e81515dd5e0d76a85d77fa16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:38.226926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045778/publication.md
observed 7b8cbfa0ee06dd07efb17a60c0a35abb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:38.208119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045778/publication.txt
observed d2b5e03ed5eb291404bd767a51f081ff...
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.