OpenTechnical

OT-2026-000068708

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000068708) never changes.

Identity and time

Publication numberOT-2026-000068708 · never reused
Internal UUID01a0ae90-2483-745f-be14-b1b0d8ab3d54 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068708
StatusPUBLIC

Content hashes

Canonical text284affb32c67ff2cee39a939789a3b63a824b1b0834dda55b3f5054a5ade9245
Markdowne3bbdc5ba1a0ce1101b5615d4197df971b789b9b32d3ee842c62b6eb5f48ba3e
PDF
Publication pageaa7fb7bb49edf7873aaaff431eb04bc15a4591b77d28ee2ac92e697e38f48f38
Manifest4963c115982f4a99ac7bab4fec61a390f23ae473f6e89c81c313c7472d521f5d

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
SignatureP5NitpQXumkH/POoC3M9M0TKEGiRGYFmIJ5mtv5LqzdkI5K/2A1jCWJjnQwlzbaS+ka4KRLHJ+gESbeBMyLcCg==
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

2026-09-17T10:29:54.999657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068708
observed aa7fb7bb49edf7873aaaff431eb04bc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:54.983442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068708/manifest.json
observed 4963c115982f4a99ac7bab4fec61a390...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:54.962755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068708/publication.md
observed e3bbdc5ba1a0ce1101b5615d4197df97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:54.946130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068708/publication.txt
observed 284affb32c67ff2cee39a939789a3b63...
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.