OpenTechnical

OT-2026-000042976

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, pulsed 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-2026-000042976) never changes.

Identity and time

Publication numberOT-2026-000042976 · never reused
Internal UUID01a0ae7b-3277-7572-bf26-f5f57e8b28f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042976
StatusPUBLIC

Content hashes

Canonical text5da773eaf7ec2cb4940a004b400149163dd0900a95d2f322295f952001524b58
Markdownf956e36626fef8f09837190db9d854e6786c78441d540df24b33643e5d655f77
PDF
Publication page4d6c42a9267b48da5d1e39292db43a520c979dc1c44e84ac0fb113fb4d0449d9
Manifest4d7ab9a20f6232aa32a5fab2a5b6565a82c00bf686015612fe02a439252132a0

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
SignaturetthtUx79+kvyHoRxmWh/9vHO7udgt9g9ls8GFilv2UgX3z/qpqYRmgqkBClZT5M6JA9Qpks2qKBNSK4UvplZCQ==
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

2026-09-17T11:13:16.524347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042976
observed 4d6c42a9267b48da5d1e39292db43a52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:16.504907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042976/manifest.json
observed 4d7ab9a20f6232aa32a5fab2a5b6565a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:16.484967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042976/publication.md
observed f956e36626fef8f09837190db9d854e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:16.465184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042976/publication.txt
observed 5da773eaf7ec2cb4940a004b40014916...
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.