OpenTechnical

OT-2026-000046231

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, 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-2026-000046231) never changes.

Identity and time

Publication numberOT-2026-000046231 · never reused
Internal UUID01a0ae7e-57ca-7538-a773-f4ddc9614e30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046231
StatusPUBLIC

Content hashes

Canonical text1fbd91280e4cf4fba8ae2f1d66b1ac465b5e4cab2eb6b68bc736d3d36c8bc69b
Markdowna4acfd8041de986a4c0036dfe42d1d70e5f59b0d0bb07a2e1e9ebecf6201b32f
PDF
Publication page66279261c3d311a247ef9cddaca84e47652d28e22d43cee773befdd292fcea8e
Manifest7728474dade29ba166b701a325f93ab36f5a46462369effed723e469b5e2cd96

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
SignatureQKABNaUz87Dgd6KqVn81Da5HJQdyhj4ztnF6Q7SnHJIIe34BvfkmrEihl70r9VUe8h37VfZ1FxlOawDXk/lVBw==
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

2026-09-17T11:08:04.693621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046231
observed 66279261c3d311a247ef9cddaca84e47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:04.674603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046231/manifest.json
observed 7728474dade29ba166b701a325f93ab3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:04.653601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046231/publication.md
observed a4acfd8041de986a4c0036dfe42d1d70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:04.632845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046231/publication.txt
observed 1fbd91280e4cf4fba8ae2f1d66b1ac46...
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.