OpenTechnical

OT-2026-000058280

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000058280) never changes.

Identity and time

Publication numberOT-2026-000058280 · never reused
Internal UUID01a0ae88-f398-7361-b411-08066b07a22c · 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-2026-000058280
StatusPUBLIC

Content hashes

Canonical texted4d1163db347fd7cca595a3a587426271249a808d05e779ed5402598dd64666
Markdown31ccaf7d7f9a7469eea179736089560b7603abe13d38ea95f6dd06ca2a783aa1
PDF
Publication page3c36ec73993fd8f572b6b034c7aadb09b1cd310cebf6038d6589622b3c0822f7
Manifest6781407d7f05e588c39acd7311f1e2546b4eaa9b0c15020174d00b6a437cc225

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
Signature32lVUYtB7eWNE3sTkKs9DUPjyBTh2upbo6713VPRdSQbDYa3rlkpfqgxw8NirUGh9+MTG4if7t9FRMSGlyJbBw==
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

2026-09-17T10:46:40.233742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058280
observed 3c36ec73993fd8f572b6b034c7aadb09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:40.215752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058280/manifest.json
observed 6781407d7f05e588c39acd7311f1e254...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:40.197222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058280/publication.md
observed 31ccaf7d7f9a7469eea179736089560b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:40.179432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058280/publication.txt
observed ed4d1163db347fd7cca595a3a5874262...
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.