OpenTechnical

OT-2026-000101727

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two 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-2026-000101727) never changes.

Identity and time

Publication numberOT-2026-000101727 · never reused
Internal UUID01a0aea4-0e17-76db-8a2c-e2f9a4b711db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101727
StatusPUBLIC

Content hashes

Canonical textb8561560c6e9f67090cf0f1a530296b160396e07d1a4970fba36de65d9b9e59d
Markdown72b1cc054e31be4e2990a4e85f95f51f8d94b0897422c03de6f2a1e9b926f71d
PDF
Publication page44a4c9379a248f703b3b9a967533266be0fe6da1dd7029e79edfa96b732b53f1
Manifeste1967a06fc6547053850316b2c1bcf1ddd7274d2aad4b941fcfb3bcddef5e93e

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
SignatureIDMBDMHRU9f+/8LA38teE36UQsJFaSZHmjzDAI70S5BnIX6RD68a06Y4nf5dJGmdk3X6BZcx6zn0N/bn+1CyBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:09.387148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101727
observed 44a4c9379a248f703b3b9a967533266b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:09.366073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101727/manifest.json
observed e1967a06fc6547053850316b2c1bcf1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:09.345407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101727/publication.md
observed 72b1cc054e31be4e2990a4e85f95f51f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:09.326515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101727/publication.txt
observed b8561560c6e9f67090cf0f1a530296b1...
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.