OpenTechnical

OT-2026-000019652

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000019652) never changes.

Identity and time

Publication numberOT-2026-000019652 · never reused
Internal UUID01a0ae6f-1fb3-73d0-9232-d6c2f1253a47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019652
StatusPUBLIC

Content hashes

Canonical text5380fb815506efcd58f9757e8307d6b9e29e5ad1e3e438772b760d137d874321
Markdown8046c4867cc52d7382e5721502179761a0b4763896fca27e565189190d904dab
PDF
Publication pagecc3a18e1fe68a0d23748cc3857609b78a5202ccabe7b261683e9a0fb25333cca
Manifesta49d50d76c153c7aba9c1a1facfa5fee21de5f99d11e82d0004e93535cdb709a

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
SignatureVOMYpas1Z9k8jb6Mt/Z91i1HWd62+6Au8+i7Ufsb3tf/083ns7vzdMAVYoNKTGIQ+rhCoU1z6VFiSEqP0aIpBQ==
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

2026-09-17T11:57:42.902590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019652
observed cc3a18e1fe68a0d23748cc3857609b78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:42.884985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019652/manifest.json
observed a49d50d76c153c7aba9c1a1facfa5fee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:42.867141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019652/publication.md
observed 8046c4867cc52d7382e5721502179761...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:42.851646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019652/publication.txt
observed 5380fb815506efcd58f9757e8307d6b9...
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.