OpenTechnical

OT-2026-000087985

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, two stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000087985) never changes.

Identity and time

Publication numberOT-2026-000087985 · never reused
Internal UUID01a0ae9b-1aa6-7a0d-b666-bc1f8239b07f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087985
StatusPUBLIC

Content hashes

Canonical text84205c9d551ab8fec4716ede4dc148e2ffb0cfa49ee8957eb2e9a24be07d67cd
Markdowndea38394e2a107f8e7a1cbd9aa94129d038d358303846d9bbe6a16a9d3de71e4
PDF
Publication page4ad20b2abf3f3fa50696d4f12aa0e4ddc8593e2d0547975a781d19c1b3d2a145
Manifest77b698bb01f781f7f2d1e719f5fe405c2362ee0de0a9eb927ae1100a14781dad

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
Signatureq+DOhoukXidEQ2e1xrhUCB0E3Rz1xE3npzldgi9MocZ2LAtKkvq1d5WQvDsQ15xjxciy9EbfwtPE3/0x0wr5Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:49:17.107309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087985
observed 4ad20b2abf3f3fa50696d4f12aa0e4dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:17.089587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087985/manifest.json
observed 77b698bb01f781f7f2d1e719f5fe405c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:17.068974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087985/publication.md
observed dea38394e2a107f8e7a1cbd9aa94129d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:17.047298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087985/publication.txt
observed 84205c9d551ab8fec4716ede4dc148e2...
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.