OpenTechnical

OT-2026-000081548

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000081548) never changes.

Identity and time

Publication numberOT-2026-000081548 · never reused
Internal UUID01a0ae97-0f71-7f90-a9d4-d25f04cdaf2f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081548
StatusPUBLIC

Content hashes

Canonical texta151a794d0cd61f773a793c00cb7bc1c35eb35d68ab1679c8c39509e18422d48
Markdown0ed78ebfec32cb13adb7a83502a3473f67513a9dd6346a1dec3f82ab264a262b
PDF
Publication pagecaefab771d4592d99c68b32a72e0d9826a1e170c2ee102623ccefe51d3f52fe8
Manifest0394b722fa0cc37b9520df9d8ff822618f32f6832ef063d129502ae9ec26ebb7

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
SignaturexdkVZoWXoXPjri0S7KqDyCU0AGnCtZBM5qYIeo29ASqX0LN9FGwDFmvMd6vCawxZzKltiWtCd2p/wdTa2cNMCQ==
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

2026-09-17T09:59:34.351717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081548
observed caefab771d4592d99c68b32a72e0d982...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:34.334056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081548/manifest.json
observed 0394b722fa0cc37b9520df9d8ff82261...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:34.316281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081548/publication.md
observed 0ed78ebfec32cb13adb7a83502a3473f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:34.298996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081548/publication.txt
observed a151a794d0cd61f773a793c00cb7bc1c...
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.