OpenTechnical

OT-2026-000081741

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, sustained blow-off before 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-2026-000081741) never changes.

Identity and time

Publication numberOT-2026-000081741 · never reused
Internal UUID01a0ae97-0f74-78a6-9584-a52cf4786c9c · 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-2026-000081741
StatusPUBLIC

Content hashes

Canonical text98487e678603fd063b243952ad1655b06d0203d586cacdcc88a9b328c4650ba4
Markdown3c516d7034a1e67471cf58b43b6de5a4b10a67dd958da4168bc6ca008215ef64
PDF
Publication page79dcc7a66d909822f949a677915a40c707d8139be83e9973e51b3bf42e0bab73
Manifest8accf4dd2e53f2a053a683c90af5a1c8b3c2723da69493e00de0142267fa1be3

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
SignaturekICIrv6kW05G+6aaUcDYgm9ywmclp2z49i9HgMUi8fJMKZn4QycbHDBLOAzSGYwLo9WEuINmV/QbQ2hcQJKiCA==
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

2026-09-17T09:59:49.441671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081741
observed 79dcc7a66d909822f949a677915a40c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:49.423447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081741/manifest.json
observed 8accf4dd2e53f2a053a683c90af5a1c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:49.406116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081741/publication.md
observed 3c516d7034a1e67471cf58b43b6de5a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:49.386444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081741/publication.txt
observed 98487e678603fd063b243952ad1655b0...
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.