OpenTechnical

OT-2026-000077808

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, vented after set-down, on a tool changer

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-2026-000077808) never changes.

Identity and time

Publication numberOT-2026-000077808 · never reused
Internal UUID01a0ae95-2ed0-7247-81b3-aa2d402fa3de · 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-2026-000077808
StatusPUBLIC

Content hashes

Canonical text3886ffdb900822c0c3f5e8769c8646720181ebeb3170a662d2aeced586dd5695
Markdownc5ce6f7e35b158b44572de970c8b19ef4007919eacdb97226fa6f050ac49af4a
PDF
Publication page41c3be5a485d7424d373ba5c106929634bed9f16d048381ed3d9e347b1e46f2d
Manifest9a7e69ac34ac7f74c6dd1ca6109f4dca4217471be6ec01ad7aa8d597cfa988c0

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
SignatureNRZz8YR1K6YaYsichML0KaQPuD++/H9qrJXlKWviK69gIRB01TxVnw7EBTrluCfPAbR8wteO5jG338dIhWx4Dg==
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

2026-09-17T10:07:23.985624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077808
observed 41c3be5a485d7424d373ba5c10692963...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:23.964190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077808/manifest.json
observed 9a7e69ac34ac7f74c6dd1ca6109f4dca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:23.944530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077808/publication.md
observed c5ce6f7e35b158b44572de970c8b19ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:23.923864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077808/publication.txt
observed 3886ffdb900822c0c3f5e8769c864672...
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.