OpenTechnical

OT-2026-000058222

Publication integrity record

Foam pad vacuum gripper, two stage ejector, supply line pressure sensor, vented 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-2026-000058222) never changes.

Identity and time

Publication numberOT-2026-000058222 · never reused
Internal UUID01a0ae88-6edb-7c5a-b7ca-751ebe92751c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058222
StatusPUBLIC

Content hashes

Canonical text9e6a5827274fca5ac630893b19d1c4308992c79a078ff1686dd947cab6465ae9
Markdown373547d962df23f3bc4dae97aeccb1bef4c020d8d55ca61932e24b74ecdee99e
PDF
Publication paged0f77d4cc7d22fdcedec4428757dedde1a69d7f43ecff98a28595ad50a6896f3
Manifest8062b4be24393b4612f3cd84d3b50be6b46d0163329912b9a6ff9568e28ab8a6

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
SignatureJX1D+8CfYbQMvTQ33QYYvtWArJAbe+xgAw8IHOWcm8tEICpMWJlSp66Mcw9zCEyRs3JJhPvTAfmxtBJ9rWzvDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:55.761212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058222
observed d0f77d4cc7d22fdcedec4428757dedde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:55.743544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058222/manifest.json
observed 8062b4be24393b4612f3cd84d3b50be6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:55.724826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058222/publication.md
observed 373547d962df23f3bc4dae97aeccb1be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:55.706292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058222/publication.txt
observed 9e6a5827274fca5ac630893b19d1c430...
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.