OpenTechnical

OT-2026-000062778

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000062778) never changes.

Identity and time

Publication numberOT-2026-000062778 · never reused
Internal UUID01a0ae8c-6389-7137-a57b-9ac485fcf817 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:11.271900Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062778
StatusPUBLIC

Content hashes

Canonical textb243ba5af9cb99a730d9b1f91756c87a929ea2bb295d145a97cdaac0d24b4f88
Markdown8d77ac9d17f5529e11b2956ec328c7189646289f836f694e27b5612286ad2a7e
PDF
Publication page9bd4456df7db3ee3e83ef5c93275a7ae84e693729c7db9bc706fae5a78088e1f
Manifestd6bf8aaa190dee0bc937550eb2b0504683d79b83bb6b381022bdec03107a98b4

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
Signature8d6MDQpYN4RSdPG06nQBlw3tJbrcyVrEwF+ujmm4C9PHMRXCN4ATpaFlPokClaX/d6Sv/CnsWoXL4NkJ70nNCw==
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

2026-09-17T10:39:21.927027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062778
observed 9bd4456df7db3ee3e83ef5c93275a7ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:21.908967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062778/manifest.json
observed d6bf8aaa190dee0bc937550eb2b05046...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:21.888905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062778/publication.md
observed 8d77ac9d17f5529e11b2956ec328c718...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:21.871315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062778/publication.txt
observed b243ba5af9cb99a730d9b1f91756c87a...
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.