OpenTechnical

OT-2026-000009444

Publication integrity record

Foam pad vacuum gripper, three zone face, three stage ejector, vented 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-2026-000009444) never changes.

Identity and time

Publication numberOT-2026-000009444 · never reused
Internal UUID01a0ae6b-7562-76f7-8d29-d62f531923eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009444
StatusPUBLIC

Content hashes

Canonical text7502b34860ff6b03f6673e0e1ffb455e937419d1c792d63ef5e57991d9d12945
Markdownf2f50a31f05fe52f87aa06b36a463d4f47c37fabdacdf861851d3bcad4547a1e
PDF
Publication page37b9ef7f2615361c3a8a8a58b4fa0a7e148c464c843218e35e69976328d0127a
Manifestff81d521576e967ed621a96fb707996a2de4066fd58e38707ace0fba38e72b2a

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
SignatureVYUaIjAOfmtuE/v2544mwwd29A7/+D1/sJDR6CgQZWUM4smoUncggUkOtEMeORAXf09bI/akrQzb30VI/PlQCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:44.249809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009444
observed 37b9ef7f2615361c3a8a8a58b4fa0a7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:44.233165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009444/manifest.json
observed ff81d521576e967ed621a96fb707996a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:44.203141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009444/publication.md
observed f2f50a31f05fe52f87aa06b36a463d4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:44.186371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009444/publication.txt
observed 7502b34860ff6b03f6673e0e1ffb455e...
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.