OpenTechnical

OT-2026-000069170

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000069170) never changes.

Identity and time

Publication numberOT-2026-000069170 · never reused
Internal UUID01a0ae90-6dcf-7d28-a727-ecd85e9677a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069170
StatusPUBLIC

Content hashes

Canonical textfaab0eb2589bceeb808c1aa1430a416b1fb98f6a5cda879c57ed035ece5d2e87
Markdown262059fd80c6416644d1473db37bb6a9382a16992348a7fd1a17c769eb9da6d9
PDF
Publication page49292d6d9860d2a6675596ecbe1f2075fe4fe3c5487fb7590408993c33e48744
Manifestbc75261907c4c14b9eea7c5f1922a12088257ff2990f3cfef48db2ebc2f66798

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
Signaturezfkd9HhR4azBjToBzb12C54fewXyNGqEH6AhTlPpLxsyd8qfIFNSbkoH0a31q6PLoeBpN1GxIPrC8V8ktKrCCw==
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

2026-09-17T10:29:03.555902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069170
observed 49292d6d9860d2a6675596ecbe1f2075...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:03.541361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069170/manifest.json
observed bc75261907c4c14b9eea7c5f1922a120...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:03.526453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069170/publication.md
observed 262059fd80c6416644d1473db37bb6a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:03.509358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069170/publication.txt
observed faab0eb2589bceeb808c1aa1430a416b...
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.