OpenTechnical

OT-2026-000081233

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, two stage ejector, 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-2026-000081233) never changes.

Identity and time

Publication numberOT-2026-000081233 · never reused
Internal UUID01a0ae96-f373-7338-acf7-e88bbcdefdc1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081233
StatusPUBLIC

Content hashes

Canonical textc0476b4a7af02e79c15dcce86878257b91a5f96a6b2bc5bafb108912083f189b
Markdownfcfb0ac7e7d8eee27eb2e2060470a6877581df6513e5d5ac283ec78c2b97a268
PDF
Publication pagef2f54cd61564e24e050bf189fff6940a18fa43590c4f7c20185fadb64830ae2f
Manifestda4fc1e35113c8fa715b51ec3bc62d15b90c47715d9605c92d1064faf5836cda

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
SignaturelPmHF+owH5xZ6rtTtBaZ8PB3iG+QEzv/s3sQ1W7jU7HQ+fMNifL+lOXzGhmH4t4du8UBhGeyqbmHW9VMlmxLCg==
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

2026-09-17T10:01:19.208844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081233
observed f2f54cd61564e24e050bf189fff6940a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:19.191506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081233/manifest.json
observed da4fc1e35113c8fa715b51ec3bc62d15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:19.172426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081233/publication.md
observed fcfb0ac7e7d8eee27eb2e2060470a687...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:19.150431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081233/publication.txt
observed c0476b4a7af02e79c15dcce86878257b...
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.