OpenTechnical

OT-2026-000021932

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, manifold 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-2026-000021932) never changes.

Identity and time

Publication numberOT-2026-000021932 · never reused
Internal UUID01a0ae6f-bb5b-7adb-9eee-b78f51b2c1dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021932
StatusPUBLIC

Content hashes

Canonical text26d7396096b7df9d05849391b66acb575d335e9b0aa4b6ad82b1409d0cb3e00c
Markdowncee409711234e13aa3248d39a17f77ae65999a667ff900a797eef6edc4641d30
PDF
Publication pagee64a5786f25871cdeab8e06c2d8c3715da65d9f4ab75d9b52c016bbcf0fe1bc8
Manifestd7c788bd3c659440cf87849428d8467ab9ca6d5deb3794c39247fec4bd70d779

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
SignaturesqRum6VUAy4iZbon2yfqQi+BAl6l8W4CZGf3HmxWkelCnaganeNvQDXT9qgmHOIJ+vPaX9VTtwm+gop3P9CwBg==
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

2026-09-17T11:54:35.681510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021932
observed e64a5786f25871cdeab8e06c2d8c3715...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:35.661809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021932/manifest.json
observed d7c788bd3c659440cf87849428d8467a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:35.642303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021932/publication.md
observed cee409711234e13aa3248d39a17f77ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:35.618845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021932/publication.txt
observed 26d7396096b7df9d05849391b66acb57...
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.