OpenTechnical

OT-2026-000019103

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, 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-2026-000019103) never changes.

Identity and time

Publication numberOT-2026-000019103 · never reused
Internal UUID01a0ae6e-d523-72c5-a96e-53b585331a16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019103
StatusPUBLIC

Content hashes

Canonical text9f946a32bd05003ea1e973f9bdcbcbb6fdeb60132619b02c243aa3dd8ad3c040
Markdown708429f383f0c57d0c636d663ec585fccda629b227f5bcf4857484c33116e9d2
PDF
Publication pagea1a582318e9b019ce241ccce1cd5363bc0f6fc3385a4a17bc4b244351c1138f9
Manifest4f8661f6be725bd4fca5b14b63b18f97ed71abc7ee0e3fc540c05b688735c047

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
SignatureI0oQrKNr0v9Jr9eHKXJpr8ktOTSfMXbQTv5Qm4UWmC0iduyl046FuPvKfjd12CWWFSkIwQAEZES0tUdVQDLdCA==
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

2026-09-17T11:59:48.737283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019103
observed a1a582318e9b019ce241ccce1cd5363b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:48.716885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019103/manifest.json
observed 4f8661f6be725bd4fca5b14b63b18f97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:48.696261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019103/publication.md
observed 708429f383f0c57d0c636d663ec585fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:48.677742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019103/publication.txt
observed 9f946a32bd05003ea1e973f9bdcbcbb6...
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.