OpenTechnical

OT-2026-000100048

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000100048) never changes.

Identity and time

Publication numberOT-2026-000100048 · never reused
Internal UUID01a0aea3-1474-7e99-8c47-6927383a44fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100048
StatusPUBLIC

Content hashes

Canonical text7d4197bdfa8fecc05663061a502c2934c16188bcca52fa6b7bc7f668bb448264
Markdown055c18d570b4e1cbd5e1475464c79dc97c0b754ad7782e7c5162a80e974601b4
PDF
Publication pageb806c69d59af62c867005c4de0caf280a9ad40b022ebc89b9e8e9b68db75ac7d
Manifest86e30545937b6883589e69ea4531d4017529266f45fe7aa23a85ea31bd0bd9f4

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
SignaturegraDyJRWWjW1IsegYvhwd30+GQPxLgKafBI86X5tc8Vi690Obg+Odq7a0hg+5o4MstxeyBTPjbUPEjiWvqfqCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:28:59.299707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100048
observed b806c69d59af62c867005c4de0caf280...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:59.276824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100048/manifest.json
observed 86e30545937b6883589e69ea4531d401...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:59.258219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100048/publication.md
observed 055c18d570b4e1cbd5e1475464c79dc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:59.239524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100048/publication.txt
observed 7d4197bdfa8fecc05663061a502c2934...
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.