OpenTechnical

OT-2026-000082578

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented after 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-2026-000082578) never changes.

Identity and time

Publication numberOT-2026-000082578 · never reused
Internal UUID01a0ae97-8cc8-7205-bc49-ae87df6197ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082578
StatusPUBLIC

Content hashes

Canonical textd3a809ce51ebef078e97e4465919e8114db17ffd523b6e908492a286d1791a09
Markdown87a39fdc90f3548021766fb29c7dd295551d3933a14a4845dd3ae0ab7cf29bec
PDF
Publication page9aaf2194d5087ca4054f1f7de724879f4718614102f5748986ce3f943209c3e8
Manifest03d9bdb74ffcb7dbe678396b499f4cf6bab5c0da7590cd70eb72941fa6b6c9d9

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
SignatureIYF6YXN6xdr6NsU2jWQgwJiBFzi3PGpe1Ckqqt/nPhsOua1do5dPyI+dh9Ul7qT5uE1SNatKJ6DS6BxuSevzBg==
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

2026-09-17T09:58:01.181682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082578
observed 9aaf2194d5087ca4054f1f7de724879f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:01.166184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082578/manifest.json
observed 03d9bdb74ffcb7dbe678396b499f4cf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:01.150044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082578/publication.md
observed 87a39fdc90f3548021766fb29c7dd295...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:01.133833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082578/publication.txt
observed d3a809ce51ebef078e97e4465919e811...
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.