OpenTechnical

OT-2026-000101664

Publication integrity record

Three cup vacuum gripper, three zone face, three 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-2026-000101664) never changes.

Identity and time

Publication numberOT-2026-000101664 · never reused
Internal UUID01a0aea4-0e16-7aba-9d6c-cbe6de2e0ca1 · 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-2026-000101664
StatusPUBLIC

Content hashes

Canonical text2181daad1e4e418d4b2c64a3514b1419ad90fe11e2e1b83548b2795a3bcff5c5
Markdown60e41f1742582501c5a56fcb56b0956cc5513027fdce7b08a1fac12ba9d4b271
PDF
Publication page038f1b54d2f2cf7e3a9e9e19deb91090b93e02cb88302bbf4236a2662e3f8fe6
Manifestf25d4b3e3b97d590c357b1d68219afbd875a09ba7aa668bc9c41883394a5a5f8

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
SignatureQ0bvfXhsrNwcsgZArO0d8DAOlBc4qcYOCVzSo8RPbg1pEXQFeQMDQ/DN3pEPW49eDzPDRXOxGo1QKLVUpkelBw==
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

2026-09-17T09:25:55.313839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101664
observed 038f1b54d2f2cf7e3a9e9e19deb91090...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:55.297157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101664/manifest.json
observed f25d4b3e3b97d590c357b1d68219afbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:55.278673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101664/publication.md
observed 60e41f1742582501c5a56fcb56b0956c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:55.259351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101664/publication.txt
observed 2181daad1e4e418d4b2c64a3514b1419...
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.