OpenTechnical

OT-2026-000055228

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000055228) never changes.

Identity and time

Publication numberOT-2026-000055228 · never reused
Internal UUID01a0ae86-a0ff-7935-9d60-14b7ba0010ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055228
StatusPUBLIC

Content hashes

Canonical text468fd5ca645370a6561eea6d172d43337ec447e4ab38b60df5d0da7f3f368bb1
Markdownd3e84c30d00d116df8ca111a4e85b04b038fe5810d99a1d68975d43bff188d3a
PDF
Publication page13d641d55d7abca18e641bb2d1685cfe6e1ebee71fc5861c31c7af97724da377
Manifest741488220df8250d4c0f63df6e7d49da3a31d865db769b27c6a82b463616ea2c

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
SignaturekbpuSYzV69zhWfMiON2QPBiPJWDJ44LTm8wOb5Lvs2STA0IIDl/ERQeZdFMO+Y2GTWDrvh0UKvCO9r6vdGxpDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:48.540969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055228
observed 13d641d55d7abca18e641bb2d1685cfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:48.523129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055228/manifest.json
observed 741488220df8250d4c0f63df6e7d49da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:48.505890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055228/publication.md
observed d3e84c30d00d116df8ca111a4e85b04b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:48.488672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055228/publication.txt
observed 468fd5ca645370a6561eea6d172d4333...
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.