OpenTechnical

OT-2026-000077953

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000077953) never changes.

Identity and time

Publication numberOT-2026-000077953 · never reused
Internal UUID01a0ae95-2ed1-73b1-a94c-c591148feaff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077953
StatusPUBLIC

Content hashes

Canonical text43cd4e2db50a00a89de2d8c159798d138121437a52a6656ebfc9e4a6d7881d96
Markdown90a28503535201e962e24ac58a3738c8122730df1edea9a9b30f2a477d5bf1df
PDF
Publication page521399685b90c3e73c212acac2663fbca2b652931680da04163550fa1adebcdc
Manifest3920574327ab654eb12145e809697c5aa75006f6f22acb980eafed3d29d111bf

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
Signature9RAvJYHasZK2frSiTU8TT9XXNHyrTK3niLnnbvcucRgdkdV+T4qzKmu46cpXzzdg0tLUVHRnTRt3spU29lazCA==
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

2026-09-17T10:10:18.271837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077953
observed 521399685b90c3e73c212acac2663fbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:18.253095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077953/manifest.json
observed 3920574327ab654eb12145e809697c5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:18.233666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077953/publication.md
observed 90a28503535201e962e24ac58a3738c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:18.215457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077953/publication.txt
observed 43cd4e2db50a00a89de2d8c159798d13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:14.139362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077953
observed 521399685b90c3e73c212acac2663fbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:14.121856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077953/manifest.json
observed 3920574327ab654eb12145e809697c5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:14.104125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077953/publication.md
observed 90a28503535201e962e24ac58a3738c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:14.086047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077953/publication.txt
observed 43cd4e2db50a00a89de2d8c159798d13...
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.