OpenTechnical

OT-2026-000086448

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single 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-2026-000086448) never changes.

Identity and time

Publication numberOT-2026-000086448 · never reused
Internal UUID01a0ae9a-2c97-7019-a51d-9264caa3ed42 · 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-2026-000086448
StatusPUBLIC

Content hashes

Canonical text07083d5c9879b44317eac7619ff7539ce036dd25ba8fff28745de04b99fbe8c3
Markdown5bc6f2272c60b614763cae64fe0f8765fa15a1daa4941b3e5bbfec3491360d8c
PDF
Publication page4cca0f0e737e4f5cc664f24f2516fa04cc5142af80b8f7c0fba483e24c36d50b
Manifest2f67df23f84b3de2e685b76ab781cea2b9cd49ac4d25256bf4f0717b0c7d35f3

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
Signaturel0lNJ0ku7mY8jX6CuWtbduz7AuF4xz8pmmFHwIlvSCSdHi5MDSn+lKD3iTW/mgrcYOmTNb7PLGWy1C6ODuKfBw==
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

2026-09-17T09:52:14.988705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086448
observed 4cca0f0e737e4f5cc664f24f2516fa04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:14.970449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086448/manifest.json
observed 2f67df23f84b3de2e685b76ab781cea2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:14.927124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086448/publication.md
observed 5bc6f2272c60b614763cae64fe0f8765...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:14.883696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086448/publication.txt
observed 07083d5c9879b44317eac7619ff7539c...
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.