OpenTechnical

OT-2026-000039068

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off before 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-2026-000039068) never changes.

Identity and time

Publication numberOT-2026-000039068 · never reused
Internal UUID01a0ae78-9672-78b1-b2d4-c1bb8ca277d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039068
StatusPUBLIC

Content hashes

Canonical text63e0dd697b5a27eb9c81d41ce667f0a0cf1e7c900504cc2d8c35baa2e232044f
Markdown2bcc1506f02dbca1ece603dd2d080c86d2eddf7dac26744c77aaed22ccfd9dca
PDF
Publication page9b357c8ac723e316ebe1f85b1f3fc016651419fc36db8227882b982615eabf20
Manifest8cc4758931bf5250dbd80e3f6bc972726aa7f86537af01a5b7433a609085e6e1

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
Signature1Q7nBN8bi8DWpi/PLDddNs0jA0lnvnBUNvPQGWJfX179201l/kzs+V0QABTq0wly1j3umZ0X7m3CTdSh6yQqAg==
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

2026-09-17T11:20:32.556072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039068
observed 9b357c8ac723e316ebe1f85b1f3fc016...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:32.536480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039068/manifest.json
observed 8cc4758931bf5250dbd80e3f6bc97272...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:32.515019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039068/publication.md
observed 2bcc1506f02dbca1ece603dd2d080c86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:32.495402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039068/publication.txt
observed 63e0dd697b5a27eb9c81d41ce667f0a0...
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.