OpenTechnical

OT-2026-000068733

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, vented after set-down

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-2026-000068733) never changes.

Identity and time

Publication numberOT-2026-000068733 · never reused
Internal UUID01a0ae90-6dca-71fb-8ea1-28bfeb59bae6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068733
StatusPUBLIC

Content hashes

Canonical text930949b45c1b481999d11458f5c2a0a7a73e52eb8d1307878842d51249bc423e
Markdown18c484b650c95b73e3aa88352ffabb5edc4b7e4d8483cf6614702b1875975a00
PDF
Publication page15d0141e1d5ff775a60bed30855ee10bd0147079980ed9c723e90d63f4ba394c
Manifestd4fce4590cca768e75ec6d0596a3f344ccdce063c6b5993e0dc44882ec9839e0

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
SignaturetTJdOiWIyhbNVt7lM0UCRSUIKuxaDPR0YhI6f31+Z1JZzN4ZA8I6IviDEthEW9GlMVxorSuk/dXtTkkglQI1Dg==
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

2026-09-17T10:28:30.554830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068733
observed 15d0141e1d5ff775a60bed30855ee10b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:30.535816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068733/manifest.json
observed d4fce4590cca768e75ec6d0596a3f344...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:30.518088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068733/publication.md
observed 18c484b650c95b73e3aa88352ffabb5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:30.499423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068733/publication.txt
observed 930949b45c1b481999d11458f5c2a0a7...
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.