OpenTechnical

OT-2026-000005236

Publication integrity record

Vacuum cup gripper, three outlet manifold, pump fed, pulsed 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-2026-000005236) never changes.

Identity and time

Publication numberOT-2026-000005236 · never reused
Internal UUID01a0a932-5af6-7661-aba1-84bfccd3b7ad · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:50:44.728906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005236
StatusPUBLIC

Content hashes

Canonical text57364b6cb905d1594a409bd3c663ff33ab839e88e17f305555d51624fa7a8c93
Markdown4df24601c9b8073f78f9ceac459f947b1b5f6668e5f1a0d4132c8c536c9f80b5
PDF
Publication page0c271fb3db5df910be18681c7b47efeac37f7f1e115d67f9d29e4c776fdd7a98
Manifestd9e79f83bfb9d7aa9666ae199fa1b3ddfef7427f48ae5c97ff338f725f76a038

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
SignatureAJRkJQ4Y2iQTuZM5mn7Qcgl5GMMzMS7YNZFBWFCtD4b0d3ZPHJ2kWttSQfjguyk6EB0YAtFpF3RUj0/GsFiEDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:32.433282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005236
observed 0c271fb3db5df910be18681c7b47efea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:32.421183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005236/manifest.json
observed d9e79f83bfb9d7aa9666ae199fa1b3dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:32.407402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005236/publication.md
observed 4df24601c9b8073f78f9ceac459f947b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:32.394198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005236/publication.txt
observed 57364b6cb905d1594a409bd3c663ff33...
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.