OpenTechnical

OT-2026-000027969

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two 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-2026-000027969) never changes.

Identity and time

Publication numberOT-2026-000027969 · never reused
Internal UUID01a0ae72-a51f-73f7-b971-0ef9568b48c1 · 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-2026-000027969
StatusPUBLIC

Content hashes

Canonical textac60e79264fddc8a37659f1f4812f4d5fc0edc3c813ecca7c2ee46a6d0faa58d
Markdown85ff641547f4e25616e64367d0ebd690cfb598faf697f632ce1833493b52fb49
PDF
Publication page7fd972c46c03adea1f8f153b12d76cf81dec653f7c33ee8dcdfd3981fb8f64d3
Manifest9242ada18105d33beaa87e71c07cf6720df00344032faf1ec8be583f77cb09be

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
SignaturebSKppDrNGLRtUV3nrzfPEYX2+GhSE+NHTWfRkYSVN6nfZL2wIScM+T6zmXr2moZLNpYc11XxEvaaQwOB8NC5AA==
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

2026-09-17T11:42:09.914115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027969
observed 7fd972c46c03adea1f8f153b12d76cf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:09.882112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027969/manifest.json
observed 9242ada18105d33beaa87e71c07cf672...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:09.860348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027969/publication.md
observed 85ff641547f4e25616e64367d0ebd690...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:09.840962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027969/publication.txt
observed ac60e79264fddc8a37659f1f4812f4d5...
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.