OpenTechnical

OT-2026-000015451

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, two stage ejector, 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-2026-000015451) never changes.

Identity and time

Publication numberOT-2026-000015451 · never reused
Internal UUID01a0ae6d-ef4a-7098-8092-376181a30610 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015451
StatusPUBLIC

Content hashes

Canonical text57f180b2a064957192295277265efb93570543e58bd8c208a653c667736ccd7f
Markdown64b66184802f3702ec0f0ef97f0a1a58a4fc7d9e52d14fd22b56098d2264ab18
PDF
Publication pagee6e9d80321b8c4e686f6551e6fbb0e5e43caa692f44fcff47f86a8a908e1dd10
Manifest7ea894bdc8980b360f7ba6357f28db67fe4b000efc0bd824afc092a2336f6096

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
SignatureLj9LLE7pZn2aknLeF0INTT83ndFMbBiuwRXpK9HDLmxlxmR4BVITxHoi5J1ga9z281xQgJ/AbsM+5mt4lzWfBg==
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

2026-09-17T12:06:11.914514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015451
observed e6e9d80321b8c4e686f6551e6fbb0e5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:11.895223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015451/manifest.json
observed 7ea894bdc8980b360f7ba6357f28db67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:11.878007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015451/publication.md
observed 64b66184802f3702ec0f0ef97f0a1a58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:11.856224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015451/publication.txt
observed 57f180b2a064957192295277265efb93...
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.