OpenTechnical

OT-2026-000052537

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, 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-2026-000052537) never changes.

Identity and time

Publication numberOT-2026-000052537 · never reused
Internal UUID01a0ae84-573a-79a0-ba5c-8b7522c24b89 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052537
StatusPUBLIC

Content hashes

Canonical text0b376dbd42b2a4c2ca972d7f0b228e9862a151ea102ac83a56242c0e9adbcec8
Markdown25e2bc2581d1955d153f7cf4df18e670db76c44af036fcc182e115bc0627cfd9
PDF
Publication page6ec56b2d1483393d8f67dbf2ac654bb5a884a868aec529b9a6e6c9321fb2afd2
Manifest5ece9c0309300282f2178b0571b43571fc849eeca9eec1c533f22db3873a4c6b

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
SignatureFbQ/w8egSNsTB1R2/cMwRJzxzsmXG0jnMo1jhVcOSoDRxbDyVEtpjmMut7/ZoYVcZtypQcxygiB2Mid7D9ObCw==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:11.179851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052537
observed 6ec56b2d1483393d8f67dbf2ac654bb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:11.162395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052537/manifest.json
observed 5ece9c0309300282f2178b0571b43571...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:11.145652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052537/publication.md
observed 25e2bc2581d1955d153f7cf4df18e670...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:11.129156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052537/publication.txt
observed 0b376dbd42b2a4c2ca972d7f0b228e98...
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.