OpenTechnical

OT-2026-000044528

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, pulsed 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-2026-000044528) never changes.

Identity and time

Publication numberOT-2026-000044528 · never reused
Internal UUID01a0ae7c-39d8-716e-8704-5588e0eb0444 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044528
StatusPUBLIC

Content hashes

Canonical textbf86b01eb63820333c86e2f7419368b11c7f7f0ee91bdd02f35ad04f9eb5e442
Markdown6fb984a9b16af00a57d959c87bf23bbc1084c108f8f436dad02c872a233bcd75
PDF
Publication page2e483d0a14892bcc8ccf289561417de74ff59c80e39465d23e7f336cc4b6641f
Manifestbd1c545414936b44e7cedd423e9fec3e78f3031909cf8dac2c4c89d7a6dd1261

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
SignaturevwYvOxWjiahiRiChyqTwlt9IIori8SOAPv09mRd35umQ8REDILVpnwY0deYhGfG7wmUPjR02xXv3zXsFs279Bw==
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

2026-09-17T08:31:04.509300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044528
observed 2e483d0a14892bcc8ccf289561417de7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:31:04.490885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044528/manifest.json
observed bd1c545414936b44e7cedd423e9fec3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:31:04.471844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044528/publication.md
observed 6fb984a9b16af00a57d959c87bf23bbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:31:04.069425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044528/publication.txt
observed bf86b01eb63820333c86e2f7419368b1...
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.