OpenTechnical

OT-2026-000074639

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000074639) never changes.

Identity and time

Publication numberOT-2026-000074639 · never reused
Internal UUID01a0ae93-ac2a-7d5d-a7f4-577780c3abef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074639
StatusPUBLIC

Content hashes

Canonical textfdbfa0281cf75e4435454078480516b223f41808e46f19db4984ec280b5dcdfb
Markdown6a2e0a511128a4d6a50b6884c5a0c9900a10f6fd67b9c2137a24fd1edaea9f56
PDF
Publication pagee43ef51c12d41b6101406890eeeb2835b87b15182b5489ad2e0127e63ad3f86d
Manifest9086082b73843579c2bb2c06ca8a946e216c71225baa9947767421336fb094cb

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
Signature4mOeMBakBzP245w2o0CQQmnSl949oOQ0b06IDPoOO52lEpy2cyNkyCmq2PW+zNJVJGvzZWhZSVFEd/5pIgKEDQ==
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

2026-09-17T10:18:12.677195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074639
observed e43ef51c12d41b6101406890eeeb2835...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:12.659081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074639/manifest.json
observed 9086082b73843579c2bb2c06ca8a946e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:12.641158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074639/publication.md
observed 6a2e0a511128a4d6a50b6884c5a0c990...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:12.621624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074639/publication.txt
observed fdbfa0281cf75e4435454078480516b2...
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.