OpenTechnical

OT-2026-000087877

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, single stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000087877) never changes.

Identity and time

Publication numberOT-2026-000087877 · never reused
Internal UUID01a0ae9b-1aa5-70a0-835a-7688240cb68c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087877
StatusPUBLIC

Content hashes

Canonical textbbe5fe6c404e2fe693828268fae4e08860d20af2cbd8131350cb9f608cec490c
Markdownd28a385ee5b9d1ea6fbfa4d51ae46f38f6945f1c7c01dcf5293f3606569cabcc
PDF
Publication pageb0012aab02bc2fb4f21d704eadc1204e9d5db8af7a001c824590118ef4c692db
Manifest7bfbcdd3b835c0bb7b4406d653a748ad1d03d82ba119e417f07ab0114d4f9bf9

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
Signature1aVlbjc3twcxnGSAL8Gx42cb4r2PKVW8X7whDOwEzZ0HAdW8AXOvxwj8boSQli3UsuBrp7oQapbBsqHY117fBw==
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

2026-09-17T09:49:08.365323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087877
observed b0012aab02bc2fb4f21d704eadc1204e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:08.346834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087877/manifest.json
observed 7bfbcdd3b835c0bb7b4406d653a748ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:08.326466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087877/publication.md
observed d28a385ee5b9d1ea6fbfa4d51ae46f38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:08.303156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087877/publication.txt
observed bbe5fe6c404e2fe693828268fae4e088...
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.