OpenTechnical

OT-2026-000010459

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, sustained blow-off after 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-2026-000010459) never changes.

Identity and time

Publication numberOT-2026-000010459 · never reused
Internal UUID01a0ae6c-0ee6-7cf0-aad7-4f27de56443e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010459
StatusPUBLIC

Content hashes

Canonical text77aa63e7c93b9e2e3cd356b02bea1a4d4dc07070ad53c2d916a2140aa0156fd1
Markdown1b4e12b33cd56a2dcf5941a74c082f1a53c37d957b4e43d54ae5180bc1f46409
PDF
Publication paged6843ac6afc0220c204e9d21e86f5a22a4ffba7fd99e9c52a6a4950463ceb582
Manifestb8fb762b18f444091d4f7ad8bb81dc1a476598c61f844bee560d37239c3cc008

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
Signature7ETzerb3FsbQnXfRXWxvnfZlSIobyXBH7SSAfu6EnPOa+AVHsMQgs9G8ASSs8CW+Y5ArG0IRJmgclYPcaKLBDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:14:35.888062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010459
observed d6843ac6afc0220c204e9d21e86f5a22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:35.869940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010459/manifest.json
observed b8fb762b18f444091d4f7ad8bb81dc1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:35.851673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010459/publication.md
observed 1b4e12b33cd56a2dcf5941a74c082f1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:35.831854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010459/publication.txt
observed 77aa63e7c93b9e2e3cd356b02bea1a4d...
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.