OpenTechnical

OT-2026-000091538

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000091538) never changes.

Identity and time

Publication numberOT-2026-000091538 · never reused
Internal UUID01a0ae9c-f16e-7251-9ba9-1b468d84c80e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091538
StatusPUBLIC

Content hashes

Canonical text78fa5b88e1836e4d0a08534ff0b080d6388b876a1b83a5b7bfe0204b999435b5
Markdowncf65cef4c73d35113252dea32b2313d9617e57ce635dca5c9d786c0be546314b
PDF
Publication page3a869c0cc211d3ba63adf966a1aa4f4e141d122570c39fd4b98cf26d6d55f96b
Manifest9bbd5d38f6e6559b0d6c4e1d704d35fc7fe6fd7b7827207cfc3eab7ac45cc229

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
SignaturegTjEA6cOZi/2Dm/2FC4SrfNTx75NhB+pQ8w038V5cO+c4lb3f5kPuSlAQLwiEMF7M0sME1y1+HnYNtzFLHvLCw==
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

2026-09-17T09:43:48.382919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091538
observed 3a869c0cc211d3ba63adf966a1aa4f4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:48.367680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091538/manifest.json
observed 9bbd5d38f6e6559b0d6c4e1d704d35fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:48.349207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091538/publication.md
observed cf65cef4c73d35113252dea32b2313d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:48.332779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091538/publication.txt
observed 78fa5b88e1836e4d0a08534ff0b080d6...
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.