OpenTechnical

OT-2026-000102515

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, 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-2026-000102515) never changes.

Identity and time

Publication numberOT-2026-000102515 · never reused
Internal UUID01a0aea4-858a-76d9-9050-ebb1e24e3419 · 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-2026-000102515
StatusPUBLIC

Content hashes

Canonical text5cc297027f76e027e75c8b9d075d71d2e84821f576578bef3375532ca92808d2
Markdownff844c11be2ec4e12d462950373a9ddda13f6857169d24d328a5e79564e84556
PDF
Publication page3fc02e58e4a91681353453937ed4b3499c08c3c02275555871c0c063e5a76f37
Manifest508ab100e5d1cc08e76286e273474d340ca12d2565d6bfcfbfc90be2937c5541

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
Signaturee57+abquVDgQExkovD+dO22mqBtFM0FV7exVdNCLONifx64Q2fdstRcpdLz01QwBTeGfoJrLBgFcBjl82eTDCw==
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

2026-09-17T09:23:58.904030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102515
observed 3fc02e58e4a91681353453937ed4b349...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:52.322118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102515/manifest.json
observed 508ab100e5d1cc08e76286e273474d34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:52.302600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102515/publication.md
observed ff844c11be2ec4e12d462950373a9ddd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:52.283677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102515/publication.txt
observed 5cc297027f76e027e75c8b9d075d71d2...
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.