OpenTechnical

OT-2026-000088845

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off before 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-2026-000088845) never changes.

Identity and time

Publication numberOT-2026-000088845 · never reused
Internal UUID01a0ae9b-8f10-7eac-a54d-e30fae2138a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088845
StatusPUBLIC

Content hashes

Canonical textf6c6b66ba2a88749ddb583e962d1664eeb741c9a4f2ca0ec5f1a39ecf754f2e3
Markdown6b614d6c1a7d760defbede87b38b6187d363cf7512eb24e9c65524fb43c70a35
PDF
Publication page1db46318ed89cba2adaa32fca3ca0fb99668458d94d596f468ff47967e116e63
Manifest1a034a0b0053749e177675cacfbc1158b08a45770bca5f648cfb9ee8efb39d77

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
SignaturetX6KwkmjPpGHlcqLI0YzjLxhliw1oOIRM7M6Zj/5LiD2fvw14QILQ0MT+CtQoFADvUzoLreOEEWsKZZNfAVYAg==
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

2026-09-17T09:48:14.188255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088845
observed 1db46318ed89cba2adaa32fca3ca0fb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:14.169832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088845/manifest.json
observed 1a034a0b0053749e177675cacfbc1158...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:14.152553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088845/publication.md
observed 6b614d6c1a7d760defbede87b38b6187...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:14.134348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088845/publication.txt
observed f6c6b66ba2a88749ddb583e962d1664e...
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.