OpenTechnical

OT-2026-000070613

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, single stage ejector, supply line pressure sensor, 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-2026-000070613) never changes.

Identity and time

Publication numberOT-2026-000070613 · never reused
Internal UUID01a0ae91-8c2b-7f58-b450-a58524c4e5bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070613
StatusPUBLIC

Content hashes

Canonical text8bcf0fdffb1fbe2db7f50dc72a44531b4d6487da66a2c7d4ecd58d8605ea40d2
Markdown139fbbb69b34b6a65c6ebed105a4cf27c41c230635bee78dd7b29d8aff94644e
PDF
Publication pagefc5c74ac9347608d26069edbcf47375f19d08c29d6270a886add0d080e2dea1e
Manifestdb063d71656441cd72104cd1b39c7222b49230f4364b65d90f62aa65103d972b

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
SignatureNxDFRORF0qfFYcRb5bJHTH1v9AXtk0xOTkd2fq6O/VMsZcwcMZctkpfYAQ/ztfE54rgdGN2mwNaHOrDfSxi3CA==
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

2026-09-17T10:25:16.538598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070613
observed fc5c74ac9347608d26069edbcf47375f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:16.521525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070613/manifest.json
observed db063d71656441cd72104cd1b39c7222...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:16.500065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070613/publication.md
observed 139fbbb69b34b6a65c6ebed105a4cf27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:16.483034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070613/publication.txt
observed 8bcf0fdffb1fbe2db7f50dc72a44531b...
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.