OpenTechnical

OT-2026-000089296

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000089296) never changes.

Identity and time

Publication numberOT-2026-000089296 · never reused
Internal UUID01a0ae9b-db01-7b24-94bd-1e2e39417221 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089296
StatusPUBLIC

Content hashes

Canonical text674bf1ca188449c46550fa4248f8d41b55c35cf55a6694be985f98932a3ef6c6
Markdown18c6ec9c49bb90ccb5565bbc677a824ab6cadaddd84d4d6bc3fa8fe8ce1c3e63
PDF
Publication page0a192a58d63bb6ff9f104e437553d1c2be257da86ada09f0c846f1fd09e1eefe
Manifestee6c18dafa1c340521984c65f202019f10ffc61f3f8dc216526e5786a1928708

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
Signature96ENRGrT9N008rNSf4BzRTpNryDBYm6oBGCIXm8rM8ogHqaPpnRIVyvjWf7Rf/EC5uHU7BrQkZSgAhnlOP3SDw==
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

2026-09-17T09:47:20.643551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089296
observed 0a192a58d63bb6ff9f104e437553d1c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:20.624962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089296/manifest.json
observed ee6c18dafa1c340521984c65f202019f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:20.606719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089296/publication.md
observed 18c6ec9c49bb90ccb5565bbc677a824a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:20.587648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089296/publication.txt
observed 674bf1ca188449c46550fa4248f8d41b...
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.