OpenTechnical

OT-2026-000055027

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, 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-2026-000055027) never changes.

Identity and time

Publication numberOT-2026-000055027 · never reused
Internal UUID01a0ae86-5e81-736e-b5d8-6615c7a498e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055027
StatusPUBLIC

Content hashes

Canonical textfdbe822f42a0aa628318ef33f4bd6b4a9d26a50d22cef581f456cfba7ab30dbf
Markdownc1cf9d169cd8b9c2e4bce6019755eb0b1ed1d3252bc0d45d5c03319e70c02664
PDF
Publication pagedd61eb2cd3bd7f91b1d10841d4bb504502bf10a71c00792e616904f9ee2c8c63
Manifest9e75e9d44a1b3c7324a3eb4b7a515ede2bb2c954bbc33fd0522a5ce97e8ee19a

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
SignatureK9bIC4VcjYO5TK0b848zU6Wsr5A7BL3uP1inXCdwgMYy4i7ORk7FUSKpxApuqWnDJBfAIWZ6kc5gM9SahE4pCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:09.888442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055027
observed dd61eb2cd3bd7f91b1d10841d4bb5045...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:09.869894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055027/manifest.json
observed 9e75e9d44a1b3c7324a3eb4b7a515ede...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:09.850113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055027/publication.md
observed c1cf9d169cd8b9c2e4bce6019755eb0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:09.832632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055027/publication.txt
observed fdbe822f42a0aa628318ef33f4bd6b4a...
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.