OpenTechnical

OT-2026-000102202

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000102202) never changes.

Identity and time

Publication numberOT-2026-000102202 · never reused
Internal UUID01a0aea4-50f3-71d6-8942-81cb92853697 · 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-2026-000102202
StatusPUBLIC

Content hashes

Canonical textee5551789c4ad46bb5a0a9728750c765065015592c7ff0bc17713bf2bd9f6ea5
Markdownafbdf1e3b142d160e448986d630433cd4c6fc0ce199284b57177c411c9966270
PDF
Publication page9c003f8981568262dcc939841fa389caccd8030ab0bd9f064acca855ce8b2140
Manifestd9dc39fcc9357490f9c0b011955bc852ce6efecc26ca622550aee0f2155dd1d1

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
Signaturegjttl0vZ3M397Nja7hNFWpxZ4QosvRuUi3t6/zyvHPr8RsseC12paMT0PtqSLc+sJO3SsJWsp9M3yrkd0aLVCA==
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

2026-09-17T09:25:22.527917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102202
observed 9c003f8981568262dcc939841fa389ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:22.511407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102202/manifest.json
observed d9dc39fcc9357490f9c0b011955bc852...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:22.494427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102202/publication.md
observed afbdf1e3b142d160e448986d630433cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:22.478696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102202/publication.txt
observed ee5551789c4ad46bb5a0a9728750c765...
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.