OpenTechnical

OT-2026-000058246

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000058246) never changes.

Identity and time

Publication numberOT-2026-000058246 · never reused
Internal UUID01a0ae88-6edc-75f9-b57a-eeb710bc6212 · 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-2026-000058246
StatusPUBLIC

Content hashes

Canonical text7b541efae75d804b43491383bf774bef522ebf302fb8ffebce5b8847fa1a7684
Markdownda6306b3fddd791dac9d92819ebd777b5bd9a4b67cc595d5c7ae804fe98e8fa8
PDF
Publication pagefce91d935e38ccbb11498a57ac6e4dc67f4caf7f51131c5c82e27c4f49d7022a
Manifestd476703487554b58817328d5144a9b9344af72a93320fde1b483f41d4f3c6e43

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
SignatureGJXDoAUBTVB5dfxFXbQWhRqNVl4R6aeduun8racmboDCqrkKUJUj5RL7MRizAOLWnGEadTJEkznN92v//U6ECg==
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

2026-09-17T10:47:58.456446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058246
observed fce91d935e38ccbb11498a57ac6e4dc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:58.433855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058246/manifest.json
observed d476703487554b58817328d5144a9b93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:58.413375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058246/publication.md
observed da6306b3fddd791dac9d92819ebd777b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:58.392436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058246/publication.txt
observed 7b541efae75d804b43491383bf774bef...
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.