OpenTechnical

OT-2026-000070483

Publication integrity record

Foam pad vacuum gripper, four zone face, three 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-2026-000070483) never changes.

Identity and time

Publication numberOT-2026-000070483 · never reused
Internal UUID01a0ae91-545f-70a1-a6e8-51d1d46ca899 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070483
StatusPUBLIC

Content hashes

Canonical text54f48f4227236397cf00c53868ad4068af8e0eada91d63b10356feb96d9f076f
Markdown4d1b8d96feeb503047cf0d662db7cd8e57c634e03fca54c710027dd06e6328fc
PDF
Publication page318049b34246d5392ebbbcf5e1bd2bda59ca0be3c8e89f5992408a9fdb3f84f2
Manifestd51ee93645088c4d0e36985695ea5e3adcf51dfd7c0bd00cea2c85ccf0606bff

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
SignatureUWF0tt9mkv0gKPcUYcxD+wkQUY4eQ/qYk1M6tK+arrTRVuwB7xQqQwqlHWdHm8Dh+ytryAH6/lcacgf1UhKHBg==
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

2026-09-17T10:26:19.032994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070483
observed 318049b34246d5392ebbbcf5e1bd2bda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:19.017964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070483/manifest.json
observed d51ee93645088c4d0e36985695ea5e3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:19.001211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070483/publication.md
observed 4d1b8d96feeb503047cf0d662db7cd8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:18.984630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070483/publication.txt
observed 54f48f4227236397cf00c53868ad4068...
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.