OpenTechnical

OT-2026-000084157

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, two stage ejector, sustained blow-off 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-2026-000084157) never changes.

Identity and time

Publication numberOT-2026-000084157 · never reused
Internal UUID01a0ae98-5b5f-7d4e-afb2-e2808c8795fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084157
StatusPUBLIC

Content hashes

Canonical textd47e0721baab4f876545cfb6f69ba1fb282b9d8ce43038753b5be9f271b21e58
Markdownafb9a04df7b3ae13af48bf42240b72dd228dd9c48c5ee6051a423d7c3ac2c7f3
PDF
Publication pageebd9d15c20c907111f336be62352dc171d160c0e27beb4265d9fc56cad23d7fd
Manifest0ea97ec87270327e0d07d5a31b887bfe58785c31231717f95bbc755c5a797ec1

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
SignaturePWUYl/uXnD5ELPNi4K2+Y3vMQb/NdFaN4I7EQ62+VCnKbo8n+Lx2JOoat2v6pnHAa0E//RWr+NdMZGAHblBJAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:55:55.698237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084157
observed ebd9d15c20c907111f336be62352dc17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:55.680982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084157/manifest.json
observed 0ea97ec87270327e0d07d5a31b887bfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:55.660684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084157/publication.md
observed afb9a04df7b3ae13af48bf42240b72dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:55.641314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084157/publication.txt
observed d47e0721baab4f876545cfb6f69ba1fb...
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.