OpenTechnical

OT-2026-000049287

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two 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-2026-000049287) never changes.

Identity and time

Publication numberOT-2026-000049287 · never reused
Internal UUID01a0ae81-134f-75f4-b04f-d26512374798 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049287
StatusPUBLIC

Content hashes

Canonical text41d3ba2777515b308c2ebbfefdf6ddac5cb9dac5386946d099bb61e029aea2c5
Markdownf7f0a3a9579334831a03cf23d807e5adc1ad9ab6863acf10460d059ca9e33464
PDF
Publication page99e0406956271818e3877041d2c1dfcfdfb27da9973c59bfc6a7d2e519930cfd
Manifestbb495df54dc7dcd39a4832767f52ff880f29d9a7441d4d77127da24a558a43d7

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
SignatureH+FDOJIWt4m3kAR9+aNcSFC3XtKxcxvTl82hXovlm76XkLUgdPzQubg1NaTd+cpdbT25OWASxU9M4RnVtECBAw==
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

2026-09-17T11:04:08.819827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049287
observed 99e0406956271818e3877041d2c1dfcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:08.800726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049287/manifest.json
observed bb495df54dc7dcd39a4832767f52ff88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:08.781037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049287/publication.md
observed f7f0a3a9579334831a03cf23d807e5ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:08.759705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049287/publication.txt
observed 41d3ba2777515b308c2ebbfefdf6ddac...
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.