OpenTechnical

OT-2026-000078648

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000078648) never changes.

Identity and time

Publication numberOT-2026-000078648 · never reused
Internal UUID01a0ae95-7c2a-7737-8199-076e8d7b5615 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078648
StatusPUBLIC

Content hashes

Canonical text23828292a09c1430083ad978255484a9b1408aa8f0746e14cfcebb66f2766e48
Markdownc067dce6367535c50e88e7962c636d2c10792ef48d7f79f2bc7563a95af7f192
PDF
Publication page1813d59d361eb787a93b9d95e34c13ebe46db8dbd121c685c24b2ea9f664bfc4
Manifestf82d9461c104bd8730e8ee9a05eb8a1fa3cd9bb467e7109150763f42cfa0ad31

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
SignatureCwdFajrUWjdAqWr3wweaDpF0RP2HBlDYnTxAoYIfec4aTS01ga/3MoithUkNmov3YL2KkDoS0+3/kk3RDMkYDA==
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

2026-09-17T10:06:41.707935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078648
observed 1813d59d361eb787a93b9d95e34c13eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:41.689896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078648/manifest.json
observed f82d9461c104bd8730e8ee9a05eb8a1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:41.669211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078648/publication.md
observed c067dce6367535c50e88e7962c636d2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:41.650462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078648/publication.txt
observed 23828292a09c1430083ad978255484a9...
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.