OpenTechnical

OT-2026-000053822

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000053822) never changes.

Identity and time

Publication numberOT-2026-000053822 · never reused
Internal UUID01a0ae85-735d-71f1-a5b2-f15d94afe383 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053822
StatusPUBLIC

Content hashes

Canonical text6efc6d17b162c1b43c563ac000691034a4bcaa1ecb8113a757e0640591e89705
Markdown7b5f3b55bce85076683d83db93305e70e8bf805ac0166d99b4712e7437ba4ef4
PDF
Publication page0b3f25c89ecc2a8e49d41b5acdd8cae014c48d14f345afb7d6e6b49d6a5477bd
Manifest3a7b7409a414d1ca80bc214fe2c88f48b7e43760c619b55d7e0de7315d6dd35c

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
SignatureQuezvv5CeR0wcNNqcRCBIUIbP13tKWXWxcl51xxtIuBEPMplRsyVgjhcfAL3HyyuBWrw1uzIYKGmXV5dJV1uCQ==
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

2026-09-17T08:40:33.893333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053822
observed 0b3f25c89ecc2a8e49d41b5acdd8cae0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:33.876591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053822/manifest.json
observed 3a7b7409a414d1ca80bc214fe2c88f48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:33.857214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053822/publication.md
observed 7b5f3b55bce85076683d83db93305e70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:33.841230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053822/publication.txt
observed 6efc6d17b162c1b43c563ac000691034...
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.