OpenTechnical

OT-2026-000078580

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, vented after set-down

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-2026-000078580) never changes.

Identity and time

Publication numberOT-2026-000078580 · never reused
Internal UUID01a0ae95-7c29-700d-a966-300e14e71161 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078580
StatusPUBLIC

Content hashes

Canonical text91619bc53495ab6bbfd42448e239655ab5bec7e208e12a1a42b0716df4892f8d
Markdown4b9dcc21b43c3ee3d3f7f9c19ee2f12d436204aca268bf2139426d2352f8e5c7
PDF
Publication page4a35ef1a5de47c249123bf0b05fb48260a30b9c90ddde5397791bdda274d6b44
Manifest62ae714f6005c5425809f25d96f6bb8f36475c65da56952aac92f15eeb321657

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
Signaturejgyji2e2f0IZz2MkrE1ij4JYxvS0NITBhEy3Qnq0AzlquAl0m+yQLmLlQV3uPjgd9CL4t0S/xqO1kw9JHvloCA==
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

2026-09-17T10:06:04.371834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078580
observed 4a35ef1a5de47c249123bf0b05fb4826...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:04.350470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078580/manifest.json
observed 62ae714f6005c5425809f25d96f6bb8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:04.332801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078580/publication.md
observed 4b9dcc21b43c3ee3d3f7f9c19ee2f12d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:04.310035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078580/publication.txt
observed 91619bc53495ab6bbfd42448e239655a...
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.