OpenTechnical

OT-2026-000077436

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000077436) never changes.

Identity and time

Publication numberOT-2026-000077436 · never reused
Internal UUID01a0ae94-f509-7d2e-b01b-2a0cc68437ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077436
StatusPUBLIC

Content hashes

Canonical texta132ecc8ea4aa2abadd6d9602add38ff7ea47ce6bbcbff444b285a9eb91ad584
Markdownf862b6f62ec3ea42986cbbc1435cc7f304b0e4f4f04cfa8c3b53b327b9bf773c
PDF
Publication page927ca2775bc8589904a7e8505ff07eb565fa6ae715286573bfd6cdf80e974a75
Manifest3aea10f35150437a1a38ad50b6cea2226c2da271d55ea604a2681f4490fd188b

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
SignatureCxptJbobuwb2BcA/J+deeSkV5si7W3GGjq23S2Y4JX/3mU0YZA4QorArxEvgrZYrSq4ZGYiYskIBzAVgSHj1AA==
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

2026-09-17T10:09:07.178355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077436
observed 927ca2775bc8589904a7e8505ff07eb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:07.157226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077436/manifest.json
observed 3aea10f35150437a1a38ad50b6cea222...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:07.137532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077436/publication.md
observed f862b6f62ec3ea42986cbbc1435cc7f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:07.118978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077436/publication.txt
observed a132ecc8ea4aa2abadd6d9602add38ff...
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.