OpenTechnical

OT-2026-000049315

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three 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-2026-000049315) never changes.

Identity and time

Publication numberOT-2026-000049315 · never reused
Internal UUID01a0ae81-1350-71c1-89d3-e5332af9ff67 · 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-2026-000049315
StatusPUBLIC

Content hashes

Canonical text79cc2d4236285dc9ef3a3ac982689db029121d73c49ed1f0b68852260f370fe1
Markdown3f27159907e203af9f391e7f98bb78221b181761b6fdaeae5a215e5abc82eb78
PDF
Publication page7d115345b1c05f4378449dc956882ad328c7f919e6c3c15e5e276b97e472fa0b
Manifest6efdad58c76d0b8f8f1a86c39ff22fc59a34d29b28ee27522865d36b722e1f24

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
SignatureY+vNLA6N1Z7n+RgAtC7bFdtqF+trMlJEBIvZaCHwRzKbpAKcWHB1M2qnJCnf6xqjCYQzVOJAJpsq2Kk48ilOCg==
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

2026-09-17T11:04:11.113166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049315
observed 7d115345b1c05f4378449dc956882ad3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:11.094919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049315/manifest.json
observed 6efdad58c76d0b8f8f1a86c39ff22fc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:11.076035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049315/publication.md
observed 3f27159907e203af9f391e7f98bb7822...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:11.056962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049315/publication.txt
observed 79cc2d4236285dc9ef3a3ac982689db0...
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.