OpenTechnical

OT-2026-000048570

Publication integrity record

Foam pad vacuum gripper, three stage ejector, 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-2026-000048570) never changes.

Identity and time

Publication numberOT-2026-000048570 · never reused
Internal UUID01a0ae80-4de7-7b29-89f4-42246b626a90 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048570
StatusPUBLIC

Content hashes

Canonical text11c0393a47bd690308332ee26a94b4e39ae300dfa7ab96fceda5e55491182dd7
Markdown73c00e5e774a32b9e900e07b5d456a46a96d5f0b532ac2ed2341cf8eaed43f62
PDF
Publication page69d22cea1e390df0d89e23b9429c379693dd149d313c850832a63e84b586b780
Manifest39ddb2600b61c0b9265e2b9346ca37de2c7ae4cdc515ed838177d703ffcc24c0

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
SignaturePVBNDr739Iu6AHl5bg9Yk6iS7legATuAuMQuQejMKxMrI2V2uX0og/HwdlEoXJP2XoGkda2sHtI4SmJzb4ksDw==
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

2026-09-17T11:05:22.360913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048570
observed 69d22cea1e390df0d89e23b9429c3796...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:22.343150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048570/manifest.json
observed 39ddb2600b61c0b9265e2b9346ca37de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:22.322608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048570/publication.md
observed 73c00e5e774a32b9e900e07b5d456a46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:22.305482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048570/publication.txt
observed 11c0393a47bd690308332ee26a94b4e3...
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.