OpenTechnical

OT-2026-000044374

Publication integrity record

Foam pad vacuum gripper, pump fed, supply line pressure sensor, sustained 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-2026-000044374) never changes.

Identity and time

Publication numberOT-2026-000044374 · never reused
Internal UUID01a0ae7c-39d7-74cd-b5f3-19d92d066823 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044374
StatusPUBLIC

Content hashes

Canonical text6276286f5439f184a836350762ae7de265a1d74efb470e9a888882dd8955405e
Markdown7c53d22f379df74549c3590e9073c526fd86acc7aafd70fcf0c9edc9be30480a
PDF
Publication page3bcd082109716cc7c3b5497ae5dcc251f7c623d013f24d56b14f1055d30b75f0
Manifestad6987cbe1b1b08159329d4eceea47b9ebaa3acd4efc61f08d6f24bea8a1be06

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
SignaturehhXEgdM70fs3iuKE9Tcf/os+bdqqfDOS0DtAlcHR6Zq1nzJeRWErOvSE2/91O2L4kfSx/5oj7IKmlhJ5WSxBBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:30:32.563838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044374
observed 3bcd082109716cc7c3b5497ae5dcc251...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:32.547435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044374/manifest.json
observed ad6987cbe1b1b08159329d4eceea47b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:32.529177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044374/publication.md
observed 7c53d22f379df74549c3590e9073c526...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:32.510358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044374/publication.txt
observed 6276286f5439f184a836350762ae7de2...
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.