OpenTechnical

OT-2026-000086745

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, three 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-2026-000086745) never changes.

Identity and time

Publication numberOT-2026-000086745 · never reused
Internal UUID01a0ae9a-2c99-78d2-9b7e-5a76d7e6290f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086745
StatusPUBLIC

Content hashes

Canonical text8cf2aff526728bf5e2d7875370b8732d2eeaaaf1fce2ce35f1d71f68801b55c0
Markdowne1776579cba6185005f8737fa23fa72566ac7c8b97c755a7f62e0c78f7bb1d29
PDF
Publication page975ce8eb7cbbc146b53fb166baa08a650b30ad29377dbf1323212633feb577ef
Manifest17d6216a918eb1d1d754d3da5f74658b7c80c750147ceb4a8f95540389ad133c

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
SignatureAa2OPtcBX3fEjFVbDxuK2OH0DZLlBZrOjVOS/+D2wl3mRZ2135Kz+43B4yF1Qzx1Kw7fMQS6FCI098ZsrBVUCg==
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

2026-09-17T09:52:37.619031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086745
observed 975ce8eb7cbbc146b53fb166baa08a65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:37.602295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086745/manifest.json
observed 17d6216a918eb1d1d754d3da5f74658b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:37.583166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086745/publication.md
observed e1776579cba6185005f8737fa23fa725...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:37.565701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086745/publication.txt
observed 8cf2aff526728bf5e2d7875370b8732d...
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.