OpenTechnical

OT-2026-000102047

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, two 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-2026-000102047) never changes.

Identity and time

Publication numberOT-2026-000102047 · never reused
Internal UUID01a0aea4-50f2-7b24-9b95-69e930ef2770 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102047
StatusPUBLIC

Content hashes

Canonical text943166331c71b73992b6bca4c5c99b6d0da7086be5c29d7711663d65c3c6cad4
Markdowna54c2dc76f0e649db99400fb015a1ccb20a886399880585147d95e9f0209d624
PDF
Publication pagea1952f11a2ff615917908a4c5030072973a35ad79024df45b3e25ba72e1d11c6
Manifest59356d1be911da2191b8795a08dc053eabfdd1027ac1fc94b08a075f53ad6f2c

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
Signaturez9w+kkg00RtQwd+fz4AdNdidAfc6cJgK8quniyz/7rYP7wwlUiNTwQD8CE614ZYwcv3fyGKtL8LMaLZG5Nq5Cg==
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

2026-09-17T09:25:11.148386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102047
observed a1952f11a2ff615917908a4c50300729...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:11.130052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102047/manifest.json
observed 59356d1be911da2191b8795a08dc053e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:11.111002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102047/publication.md
observed a54c2dc76f0e649db99400fb015a1ccb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:11.093666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102047/publication.txt
observed 943166331c71b73992b6bca4c5c99b6d...
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.