OpenTechnical

OT-2026-000019644

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-2026-000019644) never changes.

Identity and time

Publication numberOT-2026-000019644 · never reused
Internal UUID01a0ae6f-1fb3-7672-a109-018d549bb192 · 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-2026-000019644
StatusPUBLIC

Content hashes

Canonical text6707b9ee815212e1c3cd8109bb14b40da29749cdbefef90a041cc2b05988f595
Markdown402a69384535a0d089f88be5a50dc28a09ee0196ee573764f3f52c440433b371
PDF
Publication page890b7dad351de479435f046a7f0ab7c6e695b4615d9a2752ee56ea825d3b9827
Manifest57142358b87c191fa71dd8d68808e1b13748cfd5d3c1c1ad8adb3143d3cd0d48

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
SignaturePvXU0bk9GciQIr6h909aLDNWJy2CdKKJIvl8el0bAx3LjgPPyP2eTxsZvi6Zgvgrsl1J/XWREQFnibLBXPuoBA==
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

2026-09-17T11:57:42.397471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019644
observed 890b7dad351de479435f046a7f0ab7c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:42.381097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019644/manifest.json
observed 57142358b87c191fa71dd8d68808e1b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:42.364054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019644/publication.md
observed 402a69384535a0d089f88be5a50dc28a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:42.344957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019644/publication.txt
observed 6707b9ee815212e1c3cd8109bb14b40d...
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.