OpenTechnical

OT-2026-000076313

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, pressure sensor per zone, pulsed 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-2026-000076313) never changes.

Identity and time

Publication numberOT-2026-000076313 · never reused
Internal UUID01a0ae94-6a70-759e-b35b-7633e13183d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076313
StatusPUBLIC

Content hashes

Canonical textffe67af0fd9361a4970d92cc8eeaf3e86fcaa90c36a705a3018d1d9189782da0
Markdown1a304b2c40ec0c1409aa2e4f49b83faebcd277e8f4080bc67ae19b0debde6b3e
PDF
Publication pageea7377f20b80a40477edcc20b8b8eadfc5ebf8b47bd5177d117cecfa1ce892ee
Manifest251808bb93cb0a00f50cbb5148fd6d0f67a15b22ba15d997963ff93dd40487d1

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
SignatureXRC4sGJlclwr7WTC+3SXyyc5xECotMgnxnPwd+BhuJFv5g1VuameaS69WtMjLix+YEiTHFZI9IhLVmGKaVwDCw==
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

2026-09-17T10:12:09.699516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076313
observed ea7377f20b80a40477edcc20b8b8eadf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:09.619447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076313/manifest.json
observed 251808bb93cb0a00f50cbb5148fd6d0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:09.600815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076313/publication.md
observed 1a304b2c40ec0c1409aa2e4f49b83fae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:09.580798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076313/publication.txt
observed ffe67af0fd9361a4970d92cc8eeaf3e8...
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.