OpenTechnical

OT-2026-000048761

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000048761) never changes.

Identity and time

Publication numberOT-2026-000048761 · never reused
Internal UUID01a0ae80-c32c-7d40-9361-67e4e922a22c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048761
StatusPUBLIC

Content hashes

Canonical textb2722b1c01cfe5d986d685f1f7044a308873c7cc38ea78facabd63d03337d1de
Markdown9249580c9437290a8ad233e609e731aa0ce7f797cbeb12df042184118cb09135
PDF
Publication page9aa95457617adbf145c600537351f04dc491b75fd8605ac6d5d81f3bbd9e3070
Manifest09d165df478dbb39a9cc3b10f3d2ac61bcd525643fb1ce0a26685ba85dd5a937

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
Signaturetjig1LX/roH84fhrPcghDiHJQw2GBc07+6sM4Tc5l4v/y1ok/esfmwmAaNH8ygs8zZquHBGyxCCa41oxoCzSAg==
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

2026-09-17T11:04:26.416056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048761
observed 9aa95457617adbf145c600537351f04d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:26.387174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048761/manifest.json
observed 09d165df478dbb39a9cc3b10f3d2ac61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:26.357336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048761/publication.md
observed 9249580c9437290a8ad233e609e731aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:26.325647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048761/publication.txt
observed b2722b1c01cfe5d986d685f1f7044a30...
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.