OpenTechnical

OT-2026-000027930

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single 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-2026-000027930) never changes.

Identity and time

Publication numberOT-2026-000027930 · never reused
Internal UUID01a0ae72-a4a5-7e18-8b02-1b3c09d2a12c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027930
StatusPUBLIC

Content hashes

Canonical text6750469984da627d344eb6dd1f4e1d7c4e009f58f62e41470e95f57308cc2f3f
Markdown5e31b400577ce693110360374671e1ecdacd7dec9c5a17931bda3ee91444aae4
PDF
Publication page1cc3db8d0ba39185338ad482ccb6723580f9b189cd8c4bf782b367edf4850105
Manifest761b1a6d74e64146bb92dcc4e0abbba046031344e5165945d0ebc14ac51203f6

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
SignaturemymPibCefHCP7HTd58MK4RmZUYOABcL+657PRBM3GbsGm7+mgPZGUR5mElnTSRx8MvWd+b9gOWmgDuJq+RPVBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:42:06.527522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027930
observed 1cc3db8d0ba39185338ad482ccb67235...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:06.509913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027930/manifest.json
observed 761b1a6d74e64146bb92dcc4e0abbba0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:06.492621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027930/publication.md
observed 5e31b400577ce693110360374671e1ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:06.473948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027930/publication.txt
observed 6750469984da627d344eb6dd1f4e1d7c...
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.