OpenTechnical

OT-2026-000082802

Publication integrity record

Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, 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-2026-000082802) never changes.

Identity and time

Publication numberOT-2026-000082802 · never reused
Internal UUID01a0ae97-8cc9-7949-a292-b2549639f704 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082802
StatusPUBLIC

Content hashes

Canonical text5ebb8fe68b963563362ba43c41957b7160e03f8a25c20a0aac5e97c0ebcfafcc
Markdown9f425e105d73ab4c2bd08fea69363341dccc738585219049a02c2c7d5c7d602b
PDF
Publication pagea6caae2cc2b6e11635bd6bc03088a0aaae1cf88c76701c02a1d33dce9de27b69
Manifestf6a404d182d03e4b4e7b166f4b43d86fa2ca32ff290d7f98d39066e9c2e45db3

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
SignatureNlihe6lmmdN3JdV2QzNVSPTlcBOGH/GBdjkY/wg2Yqy4DejNND99My8azV5kY/PyRXsEC5NDt10ppsYqKS4DDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:58:23.723294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082802
observed a6caae2cc2b6e11635bd6bc03088a0aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:23.707005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082802/manifest.json
observed f6a404d182d03e4b4e7b166f4b43d86f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:23.688968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082802/publication.md
observed 9f425e105d73ab4c2bd08fea69363341...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:23.672642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082802/publication.txt
observed 5ebb8fe68b963563362ba43c41957b71...
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.