OpenTechnical

OT-2026-000015499

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three 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-2026-000015499) never changes.

Identity and time

Publication numberOT-2026-000015499 · never reused
Internal UUID01a0ae6d-ef4a-72cb-afbd-07704abce6bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015499
StatusPUBLIC

Content hashes

Canonical textda0a2c1fc0f15e36efb62e948f746131dc27b74a934e9e6c80f2d0e1e3ec7ccb
Markdown7ac13ac8656878c7e04966c7a0e03fdbb66293564db4f7c87b8c32fcf08f1050
PDF
Publication page004bc55a5075a83cced012f37a3686c395f3e4c53660b8f2c0f3c01581816a2f
Manifest7748af1f2d0e8b62b4a98ad1f055c06174bf3fcf3b1a0bdb207f61fa41bbd278

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
SignatureSgYXoOWRhgn1bRrhefUM3o4IIc2oPgTuUmwGeI7r2SUjXFHh4tEgyq0sFcKIDk279NdORLQ2YoPwdr4iuG/3BQ==
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

2026-09-17T12:06:15.948042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015499
observed 004bc55a5075a83cced012f37a3686c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:15.929976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015499/manifest.json
observed 7748af1f2d0e8b62b4a98ad1f055c061...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:15.910119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015499/publication.md
observed 7ac13ac8656878c7e04966c7a0e03fdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:15.891353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015499/publication.txt
observed da0a2c1fc0f15e36efb62e948f746131...
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.