OpenTechnical

OT-2026-000086305

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two stage ejector, 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-2026-000086305) never changes.

Identity and time

Publication numberOT-2026-000086305 · never reused
Internal UUID01a0ae9a-2c96-7ffd-83dd-60526b6b4f2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086305
StatusPUBLIC

Content hashes

Canonical textd959086125a749d6636f8c22b3528cba8b3a692a76d09e2eee1d3d3ec13bc58d
Markdown3e6bfd76776c8c9769832cee495071eac6f04535fda038a0673f5408e2744386
PDF
Publication pagea5ad62952ad2b351a223500d859d445cfda0e82989f0ce97400e8acb823d85a5
Manifest7fd37eeed92ce8ad142eb38e20d950b4a9a0f18f58bbe7627a34040fdb66bab0

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
SignatureA5ePaumI1LUwHLOwPswQmZ/zX4s4qFmUuLBQo1d0eg3catrzsECrWIGeBZHkYoPalf0Io7ICW+7tasaqQU11Dw==
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

2026-09-17T09:51:59.157558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086305
observed a5ad62952ad2b351a223500d859d445c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:59.139190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086305/manifest.json
observed 7fd37eeed92ce8ad142eb38e20d950b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:59.121435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086305/publication.md
observed 3e6bfd76776c8c9769832cee495071ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:59.104727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086305/publication.txt
observed d959086125a749d6636f8c22b3528cba...
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.