OpenTechnical

OT-2026-000091968

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, pressure sensor per zone, sustained 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-2026-000091968) never changes.

Identity and time

Publication numberOT-2026-000091968 · never reused
Internal UUID01a0ae9d-43bb-7544-89c8-9b7f910b6645 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091968
StatusPUBLIC

Content hashes

Canonical texte130884166d8180138d707989bf16edc0fea803db3e1e6b1b506262b779d3528
Markdowne2a14a6b8f550e72dc89e7d484aa2eccf22bed3706d5f0aa7bca43dcc740aeaa
PDF
Publication page34f491a97fb1d34af258a4913db21b15685fb1ce69bd75f052192feb0d4db0bd
Manifest04b2262775fd6fb6ce9bc1c52c33f3c3aaf7b0945b6e23c42dae2d6e4e6d5520

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
Signature+tYQFeE+Xb9vB0NYBP9r7PMZykvNINO06vV/7ePXHZy3TafKhpo/l1ouoZc1R4q/HAEKSRhIEVaucZulLjJdAA==
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

2026-09-17T09:42:55.400944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091968
observed 34f491a97fb1d34af258a4913db21b15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:55.365733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091968/manifest.json
observed 04b2262775fd6fb6ce9bc1c52c33f3c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:55.348006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091968/publication.md
observed e2a14a6b8f550e72dc89e7d484aa2ecc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:55.329178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091968/publication.txt
observed e130884166d8180138d707989bf16edc...
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.