OpenTechnical

OT-2026-000007756

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two 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-2026-000007756) never changes.

Identity and time

Publication numberOT-2026-000007756 · never reused
Internal UUID01a0ae62-843f-7a21-9810-4e6efe2e6a19 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:27.126957Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007756
StatusPUBLIC

Content hashes

Canonical text5dfcaf2950d2859cc215b7ccda008c112300d8b797395a6aec580b860dc8700c
Markdowne6031362967b0e3daff08b271691ec88ef3be03c3cdcbdfb6d1db60fcaff776c
PDF
Publication pagef0ebef9ac721f97521059712df4b745e929101ce3aac36b00eb796806c8f8561
Manifest1e1660f783bb99cf04087040ab0848cfe5ef517faa4a8b9d62e02637f7490c0b

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
SignatureomXwZDrT/RC6Po+QEE5It/mIM9IJFi0PIYPIstVuv6tq3v9BepBmfXOS6LAkLnpppHg+qmqfBTQtIy4gL/kxDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:09.176040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007756
observed f0ebef9ac721f97521059712df4b745e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:09.158693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007756/manifest.json
observed 1e1660f783bb99cf04087040ab0848cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:09.141546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007756/publication.md
observed e6031362967b0e3daff08b271691ec88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:09.124775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007756/publication.txt
observed 5dfcaf2950d2859cc215b7ccda008c11...
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.