OpenTechnical

OT-2026-000038009

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off 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-2026-000038009) never changes.

Identity and time

Publication numberOT-2026-000038009 · never reused
Internal UUID01a0ae77-f88a-73c3-b0c0-013cfe2807e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038009
StatusPUBLIC

Content hashes

Canonical texte006e43ab046f5c575cd57a7cbe76b7cc1391d25ef1e8980eeaebc1d2c91f077
Markdown2f520f7f49af9aa15aef5d1a50e52180a0682eab80cef52ccd03e47a660c4572
PDF
Publication pageb3b6573eebb0ff9cd08fe33e06f18789d9905b5fcc82737b222a7dda6581a816
Manifest991161000611c654a29ca87ce8c224b9a69f6f72b3bd1f417ef35dc0ae15e75b

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
Signature/W/A1Ryl/AYruXl8yoi/15U5U3Jw410/j6k5RqGf638SVe411B1S6lTSGq2E9iZjGHaAQu+v+TReIojx841gAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:23:18.835853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038009
observed b3b6573eebb0ff9cd08fe33e06f18789...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:18.817602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038009/manifest.json
observed 991161000611c654a29ca87ce8c224b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:18.798917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038009/publication.md
observed 2f520f7f49af9aa15aef5d1a50e52180...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:18.778874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038009/publication.txt
observed e006e43ab046f5c575cd57a7cbe76b7c...
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.