OpenTechnical

OT-2026-000086517

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, plant vacuum fed, 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-2026-000086517) never changes.

Identity and time

Publication numberOT-2026-000086517 · never reused
Internal UUID01a0ae9a-2c97-7fbf-9357-c314499ea615 · 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-2026-000086517
StatusPUBLIC

Content hashes

Canonical textfdb7c7d1404b904bfd7388d691c06beb936ee03085bb53e4ebe0f2470a6427af
Markdown1450bf8db360faef199280ba16945e72dfe696ffcdffc9db20cb867a80cc43e7
PDF
Publication page61cc3f45a1b475a014a45809345a7e47e67d6e3a9e9c548df64862ffa34cbfed
Manifesta60abf6956af34da1d1647353619c818992d9360ed4f29a0b5f03c27dd93804a

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
SignaturenqvFCvr51q4j+k64PSVyzi+dhbiT7jz8olLuAq9Xf9fqJ7+KVBrcYuPDdQepthDECspvEBPBRZMe53FXE+frDA==
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

2026-09-17T09:52:20.271853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086517
observed 61cc3f45a1b475a014a45809345a7e47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:20.255012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086517/manifest.json
observed a60abf6956af34da1d1647353619c818...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:20.238491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086517/publication.md
observed 1450bf8db360faef199280ba16945e72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:20.221955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086517/publication.txt
observed fdb7c7d1404b904bfd7388d691c06beb...
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.