OpenTechnical

OT-2026-000074747

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000074747) never changes.

Identity and time

Publication numberOT-2026-000074747 · never reused
Internal UUID01a0ae93-ac2b-70c2-924a-7f39a2e01afd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074747
StatusPUBLIC

Content hashes

Canonical texte2db268b5eedf5771f5b6479459989dc2c3dc5dc02405e6e09a7075d648b369a
Markdown12eb150bc577c9b645c5fa6a8266978c99751a55fe330b3c187d1a742972a21f
PDF
Publication page0c69461d771c279301215ad8cdfb71bacbbc4e23583cf81b7c1ee45e51cc91a5
Manifest1245899586b9201cc97e671427fe83cd7a0853e3df015dcccf04a36e6f7b8be0

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
Signature17/uheAOqsTKxs96o7KzDnN9aOvJ84/RxuvZJP7jIsgc1SN1cZGp1zFLEwk8EtJETBmS//762ntv2rqSbNxuBg==
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

2026-09-17T10:18:26.004304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074747
observed 0c69461d771c279301215ad8cdfb71ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:25.986291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074747/manifest.json
observed 1245899586b9201cc97e671427fe83cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:25.967697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074747/publication.md
observed 12eb150bc577c9b645c5fa6a8266978c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:25.945958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074747/publication.txt
observed e2db268b5eedf5771f5b6479459989dc...
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.