OpenTechnical

OT-2026-000081807

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single 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-2026-000081807) never changes.

Identity and time

Publication numberOT-2026-000081807 · never reused
Internal UUID01a0ae97-0f74-7f1b-91bd-5c36b528f210 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081807
StatusPUBLIC

Content hashes

Canonical text435ebf54ce32e55d953ae3b7592e823bcaa412240aff0516688a05cddf0643ff
Markdown6e567031b362706a9b9c70b82ca14399540fd8fe8af746c74870bdd66843d5fe
PDF
Publication pagea07562e827de90c0db9cf73fbbbf087aecabb1435e2fd55a5ae49cacbb0b9d73
Manifestf578df67a9343dbdfa9d31d50f98a9ffd4ba99c51f8216187c2cfe5aaa586cac

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
SignatureQXcPk4GzyAEUEVj70IpDfLX6x8mScagpo4NKbvSh0/5kj+ec56GgtyvjCYGIvjfh8JdkO3BZMujDFDB7PQjgBw==
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

2026-09-17T09:59:54.598177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081807
observed a07562e827de90c0db9cf73fbbbf087a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:54.581044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081807/manifest.json
observed f578df67a9343dbdfa9d31d50f98a9ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:54.565046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081807/publication.md
observed 6e567031b362706a9b9c70b82ca14399...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:54.547376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081807/publication.txt
observed 435ebf54ce32e55d953ae3b7592e823b...
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.