OpenTechnical

OT-2026-000049122

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, 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-2026-000049122) never changes.

Identity and time

Publication numberOT-2026-000049122 · never reused
Internal UUID01a0ae81-134e-735e-999f-821c17ea2ad8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049122
StatusPUBLIC

Content hashes

Canonical textdb757c4e0b9a9414d7ea14f02f3ac7bb21b04658ff9b8b6a2d2908abed7ad570
Markdownd89a67a89021e7a3fdb9486ba54affdc2af73e973793823234a0ff2fbf07500b
PDF
Publication pagefa334d2b917271a0ca16deb22aa49833e80e2287191a3c9533bb4d0cfe910af6
Manifest9980910f0af4cb5fd8c1f9567b4beb922e0d9b316964e681ba2e5f288450bb59

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
Signaturetayt/ZfdCtAA9laeS0JRigDyHPyNgdQyhd17uR7z9tzOMDUaeRxjqUA8gEtDinY9AUHvoQQJiTD5LiLKUwJfAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:03:23.114032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049122
observed fa334d2b917271a0ca16deb22aa49833...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:23.095727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049122/manifest.json
observed 9980910f0af4cb5fd8c1f9567b4beb92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:23.076266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049122/publication.md
observed d89a67a89021e7a3fdb9486ba54affdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:23.058663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049122/publication.txt
observed db757c4e0b9a9414d7ea14f02f3ac7bb...
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.