OpenTechnical

OT-2026-000049709

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000049709) never changes.

Identity and time

Publication numberOT-2026-000049709 · never reused
Internal UUID01a0ae81-8fee-7789-8a6b-e56a864cbdca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049709
StatusPUBLIC

Content hashes

Canonical textc4e01af4473415b7c3f5d85554de01972b65c5e9aa89dbb39266f4aaca508a10
Markdown40564af1e4976b432b3398518b61eb7fc273032a14beaa5d8c7631784e16c260
PDF
Publication page9fc3f215f187b2742daea6770be00938d196ab3b14c8de40feb610999dd907ce
Manifest04823dda3ddc766ab2f665181409a634ec9ce3a18da45bf98c451e1953754a29

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
SignatureVVh4RJGR2NbAc/4rnxLnN3TWAsBfjeVJbvN0l/AZJWXy0cXzCJooGuAo8j0u53zhOm/8/F2R+fxbbPnF6721Bg==
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

2026-09-17T11:02:43.534194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049709
observed 9fc3f215f187b2742daea6770be00938...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:43.516965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049709/manifest.json
observed 04823dda3ddc766ab2f665181409a634...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:43.499712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049709/publication.md
observed 40564af1e4976b432b3398518b61eb7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:43.482519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049709/publication.txt
observed c4e01af4473415b7c3f5d85554de0197...
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.