OpenTechnical

OT-2026-000089111

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000089111) never changes.

Identity and time

Publication numberOT-2026-000089111 · never reused
Internal UUID01a0ae9b-daff-7246-9042-49714a8f804d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089111
StatusPUBLIC

Content hashes

Canonical text4b1c4651e869566282c32474bc3cdfccf89f7035a9bd60e14f485cd428d4263a
Markdown76bd4882ff83bbd04b2d353489fe9a8e3b18f4e6832418f04d35b8855b1cf6c1
PDF
Publication pagef7a85870008c62b2f151d47ee9a027a5cfd383a44723b2fd5bc327c0c4f1a64f
Manifestd6b47937029a783b22c7cc952d4a5e3390157506aec667e90c4f3f72f7e6bd30

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
Signaturem3yCHoqmL7L9COPGy/K/0wtRy0Cq5qhTfFXpav2+1fVxkzebD9SAA9v7TJeFuwhAJbIjXRKuDuGSX2a5N0J/Aw==
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

2026-09-17T09:47:01.313906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089111
observed f7a85870008c62b2f151d47ee9a027a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:01.297130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089111/manifest.json
observed d6b47937029a783b22c7cc952d4a5e33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:01.277523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089111/publication.md
observed 76bd4882ff83bbd04b2d353489fe9a8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:01.259216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089111/publication.txt
observed 4b1c4651e869566282c32474bc3cdfcc...
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.