OpenTechnical

OT-2026-000025563

Publication integrity record

Foam pad vacuum gripper, two zone face, six 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-2026-000025563) never changes.

Identity and time

Publication numberOT-2026-000025563 · never reused
Internal UUID01a0ae71-5fa8-7f26-ad28-584ad9988053 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025563
StatusPUBLIC

Content hashes

Canonical text050bbeb8971f4f09a060fad208a0865efda7b0ce57c1d72357bed59dd82acb70
Markdowncff0c80718d6377743b0fbf6dd7ed36f45026f5764fdee8f33d25dfa63ee319b
PDF
Publication paged85f693c901625145c8a01cf54cc77cbd5da9b25860b645836375e6d5012b9c6
Manifest8dfedd76de6702ce712d8967dc4f693e711802319df1ee6153fa19378458d4b4

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
SignatureAKfzeY9uMWMhta+INvXWHPUFYxY67JNUBTpDIc0Ksl1l5K6+5KNo9k/oTRxQvGAF0KtLtySWntsygOq/3GA0Aw==
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

2026-09-17T11:47:43.053455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025563
observed d85f693c901625145c8a01cf54cc77cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:43.033471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025563/manifest.json
observed 8dfedd76de6702ce712d8967dc4f693e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:43.010215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025563/publication.md
observed cff0c80718d6377743b0fbf6dd7ed36f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:42.988320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025563/publication.txt
observed 050bbeb8971f4f09a060fad208a0865e...
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.