OpenTechnical

OT-2026-000004832

Publication integrity record

Bellows cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, pressure verified

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-2026-000004832) never changes.

Identity and time

Publication numberOT-2026-000004832 · never reused
Internal UUID01a0a924-bf3a-72b6-b089-8e743b49da4b · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:35:52.892981Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004832
StatusPUBLIC

Content hashes

Canonical textfb06f496ae78af333844d3ee1f5f3204c014aa07b7f21f9672cfd33489b27656
Markdown83f75a022679916b2db3ea573fe2da31bdc6cc9a624d2416dd0fcb217665a3e0
PDF
Publication page53d5c2af4bc14631e00c70d09c4a3810049aa68348390ea844d0723807ef09e9
Manifestd0cab788d908896f496b80e074853e58d582ac92a3f9d85a8490cdf11ff9c9f7

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
SignatureTBH8XEwoQuQAMvP21TEgLKB3Y0oFG7nBnEsJwWNNZY2//+HmWNrd+lYyFBwZuuFZ9f6RfGoAIzQ9dp5lxWAkCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:40:14.196462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004832
observed 53d5c2af4bc14631e00c70d09c4a3810...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:14.183299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004832/manifest.json
observed d0cab788d908896f496b80e074853e58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:14.170828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004832/publication.md
observed 83f75a022679916b2db3ea573fe2da31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:14.159095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004832/publication.txt
observed fb06f496ae78af333844d3ee1f5f3204...
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.