OpenTechnical

OT-2026-000102481

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single stage ejector, pulsed blow-off after set-down

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-2026-000102481) never changes.

Identity and time

Publication numberOT-2026-000102481 · never reused
Internal UUID01a0aea4-858a-7730-b745-fc5b7e7ad536 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102481
StatusPUBLIC

Content hashes

Canonical text1d005daf568a5586cd90c73d1bd1afacd3f964125218a4295ce74c449d7c6624
Markdownd08157eb67a3fce213520ac75cf26b9d82a1d1c0e6366a399baf84301477c8ac
PDF
Publication page2dfd049aebc0f28a2cdb8b8154622d3bcdfc7422400d8ce5a938eb02dac3fece
Manifest285ee654f3eec203eb1c432c8718ccff983658d535fb13d58d28bdb86b777306

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
Signaturerv1cOO87Ax+QQAE4udZsx6nqOJRVpe7gJqSXkwIQR+w7iKBc1dKYV393pLVBGVcEApVaMBIPC140RMpARyBrBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:50.113100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102481
observed 2dfd049aebc0f28a2cdb8b8154622d3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:50.090697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102481/manifest.json
observed 285ee654f3eec203eb1c432c8718ccff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:50.072746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102481/publication.md
observed d08157eb67a3fce213520ac75cf26b9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:50.054006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102481/publication.txt
observed 1d005daf568a5586cd90c73d1bd1afac...
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.