OpenTechnical

OT-2026-000075196

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented 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-2026-000075196) never changes.

Identity and time

Publication numberOT-2026-000075196 · never reused
Internal UUID01a0ae93-f1ff-73d3-bf59-07ad63f7b035 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075196
StatusPUBLIC

Content hashes

Canonical textcefc2246e15030dffffc2cad54c3b38ac859d1113e6fe1e70afc463d2871dad5
Markdown80ff014bd58c672d207b14fbe158c80a655a44535fb1599c9706c74aedccf3c7
PDF
Publication page52c5417cfa813e7279d7f15fd1e53c2c1038184b4ef2532c9c2d48fbc59b23b0
Manifesta30f53ca4ff10e85c795a105c39567eae537295c25536073694b481e80651807

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
Signatured5kV83kEeAEp2EP0MU3LLtxvpJoNYjE2POh2IAyKAwuHGqSkQ4a/VjzBuHYbU6vTiEBfVI3jcfBLxzvZu+jaDQ==
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

2026-09-17T10:20:27.109851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075196
observed 52c5417cfa813e7279d7f15fd1e53c2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:27.091582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075196/manifest.json
observed a30f53ca4ff10e85c795a105c39567ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:27.072635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075196/publication.md
observed 80ff014bd58c672d207b14fbe158c80a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:27.052924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075196/publication.txt
observed cefc2246e15030dffffc2cad54c3b38a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:39.563513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075196
observed 52c5417cfa813e7279d7f15fd1e53c2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:39.545177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075196/manifest.json
observed a30f53ca4ff10e85c795a105c39567ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:39.523623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075196/publication.md
observed 80ff014bd58c672d207b14fbe158c80a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:39.503286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075196/publication.txt
observed cefc2246e15030dffffc2cad54c3b38a...
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.