OpenTechnical

OT-2026-000020153

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000020153) never changes.

Identity and time

Publication numberOT-2026-000020153 · never reused
Internal UUID01a0ae6f-4379-7126-ab12-903299076241 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020153
StatusPUBLIC

Content hashes

Canonical text51e1a353ae154a83112e2563d2d2dfc8f0bc58f8affa6cedfd605e3b71c294d5
Markdownbb6d75e704e96c0a765a990db1797f319e79d2c4a84f4e67c7108493e7cc5808
PDF
Publication page751e2f49c73756d7436f9bd0963aff3edce6b6bcbbe2ad45a1b4238459447102
Manifest81f90251ee7a5869ca324dfb1d05f74f07552eb59a194545bf4abf9b9e026f9f

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
SignaturelN31LB3ERglgyfKrR+mLnRidQrGjkVPi62r3Urq+ccAUIWboY6vATq+RGUhcWLFlNpGm39MoXHkaUReB19lJBQ==
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

2026-09-17T11:56:27.984545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020153
observed 751e2f49c73756d7436f9bd0963aff3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:27.966022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020153/manifest.json
observed 81f90251ee7a5869ca324dfb1d05f74f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:27.945150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020153/publication.md
observed bb6d75e704e96c0a765a990db1797f31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:27.926539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020153/publication.txt
observed 51e1a353ae154a83112e2563d2d2dfc8...
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.