OpenTechnical

OT-2026-000058338

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, 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-2026-000058338) never changes.

Identity and time

Publication numberOT-2026-000058338 · never reused
Internal UUID01a0ae88-f398-7704-9506-0658002389af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058338
StatusPUBLIC

Content hashes

Canonical text7904bcab72e795b50c13ac204c86f2bd89bc084437950a12824c45e8a7213039
Markdownebbe6f4a8251f49be43f4cc71c0e307d409ceb2599f4b5fc84b8dc470a2e58cb
PDF
Publication pagec8be6cdd7a4685e610d5de240def9d594fc18f7988482564bcc4710dfb66baf2
Manifestb9135f8261fe902f17658a355645cf6f172fdc1fd68b6ca1a317e4b2eb1ca088

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
SignatureZ6hJqVXixeeZDMrGMbJopPhwazAQBK3FA9mZxbF6PCIpkr1jFPwqR0BT1woALdOpY/P5M5X3MD0d14CPJHCNAA==
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

2026-09-17T10:46:44.969179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058338
observed c8be6cdd7a4685e610d5de240def9d59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:44.952557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058338/manifest.json
observed b9135f8261fe902f17658a355645cf6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:44.936638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058338/publication.md
observed ebbe6f4a8251f49be43f4cc71c0e307d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:44.920527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058338/publication.txt
observed 7904bcab72e795b50c13ac204c86f2bd...
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.