OpenTechnical

OT-2026-000074657

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three 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-2026-000074657) never changes.

Identity and time

Publication numberOT-2026-000074657 · never reused
Internal UUID01a0ae93-ac2b-7ac3-b4a8-7fa246251f4c · 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-2026-000074657
StatusPUBLIC

Content hashes

Canonical text1c54d05efed6719dbc301ee408e09963a5812e6eb1b40df2e47d85d2d3c1855f
Markdown6b7fd4b694b99b4c15635cc486fb3046b1767245b8925c28c89baaf34e54d7ad
PDF
Publication page3816c02a1b852b04a801ec7c083869e24e0fdd8a9fde021bc9b639bf9b8a6edc
Manifestf352e4bdf01d33a0efa9fb892ab9197b4f7a56c8b8b263576ff4f47653ceff54

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
Signatureo6ausqPhlk+2QZmq3kR8wiTjT37hLjIJ0PRHNZZjru1LpZGRqSiqcjzgD7UHBguuCIz9FBIWpeI+Wvczwa02Ag==
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

2026-09-17T10:18:14.039921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074657
observed 3816c02a1b852b04a801ec7c083869e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:14.018451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074657/manifest.json
observed f352e4bdf01d33a0efa9fb892ab9197b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:13.999248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074657/publication.md
observed 6b7fd4b694b99b4c15635cc486fb3046...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:13.980724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074657/publication.txt
observed 1c54d05efed6719dbc301ee408e09963...
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.