OpenTechnical

OT-2026-000077632

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000077632) never changes.

Identity and time

Publication numberOT-2026-000077632 · never reused
Internal UUID01a0ae95-2ecf-762c-8577-6ebf1ddf6727 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077632
StatusPUBLIC

Content hashes

Canonical textcececacf6189de5fde88ddbabe38f67073cb47e0d9f58e2a0f24946989e047cf
Markdown810e4e1763bfa4e7d51e82ea36bf16b2105ef809d77668e5e88e5031f796a0e0
PDF
Publication pagefd8a9854148a1f29fd0f67608e80eec6199a179e7983e19fd74a3c4708763231
Manifest6312854b8af4134f9e9af5aa20cf5a7a996e9b4556dd2cbd59448aa0a6af62e5

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
Signature1utpTZl9mVpk/zAphPtN34RXIt2d1U/Nlszd9pTitixHPBfHbRl7Q4WKy8s4yD0GlLnrUTDrDT7yGFF4zGZYDw==
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

2026-09-17T10:07:11.835106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077632
observed fd8a9854148a1f29fd0f67608e80eec6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:11.816166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077632/manifest.json
observed 6312854b8af4134f9e9af5aa20cf5a7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:11.795972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077632/publication.md
observed 810e4e1763bfa4e7d51e82ea36bf16b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:11.777945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077632/publication.txt
observed cececacf6189de5fde88ddbabe38f670...
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.