OpenTechnical

OT-2026-000086499

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, three stage ejector, sustained blow-off before 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-2026-000086499) never changes.

Identity and time

Publication numberOT-2026-000086499 · never reused
Internal UUID01a0ae9a-2c97-7847-b680-7bd0c9f310b4 · 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-2026-000086499
StatusPUBLIC

Content hashes

Canonical textbcebaad75e600b5c7cb82e7754136d6f7cb8a52e5c2cfb89f4c1f144c567ae89
Markdown24fbe419c4f8fd37dfdbe661b4414733f79fa9d41810d6dc06dcfab83d880113
PDF
Publication pagea2e6fb41082bee12838c4fbe11d7b9f28c0edfef77c26da80b24eacfb81ca76a
Manifestfc34e8bb9fda170db0894551e7bcc6c379af32c2486ef40a4803777e1b2d86ba

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
Signaturef279Tgl3Csr+NNuFpAbwcIypeux1tQdSODMBdlFDuM9g78YD0tGXtb9gmAVObs75XyE6pYbJv8ujw02clnffDA==
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

2026-09-17T09:52:18.927659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086499
observed a2e6fb41082bee12838c4fbe11d7b9f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:18.910249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086499/manifest.json
observed fc34e8bb9fda170db0894551e7bcc6c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:18.891398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086499/publication.md
observed 24fbe419c4f8fd37dfdbe661b4414733...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:18.874500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086499/publication.txt
observed bcebaad75e600b5c7cb82e7754136d6f...
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.