OpenTechnical

OT-2026-000089664

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000089664) never changes.

Identity and time

Publication numberOT-2026-000089664 · never reused
Internal UUID01a0ae9c-1a22-7fe8-9d1f-74d528c14608 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089664
StatusPUBLIC

Content hashes

Canonical text1c789d82141f5edbdaec5818a0aa269b24b0a4126d2289fd1240b7b9ee36c00f
Markdown7aa933c37a3581bdcad8ecfbbcd2038e43201d8848bfeea73dc867a7c9d0e645
PDF
Publication pageee914ed0ba199c2f3a6c4d3b4e31f07ff9638a13a4f5c0ce909829a1af349a41
Manifest17540454e818d3ae1c02572acfcd1c2e20976cf36cbb0a4e53b6b6c6e6b4b0fa

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
SignaturezD7XzFxDQxvZZ3ohILfhNxBYUDDWrevzbiBiLsTd+KcvIIzUyngYu7mHPy1wF7KBLpu10W0PUL00MjZLL2viBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:46:39.486696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089664
observed ee914ed0ba199c2f3a6c4d3b4e31f07f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:39.466590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089664/manifest.json
observed 17540454e818d3ae1c02572acfcd1c2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:39.448841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089664/publication.md
observed 7aa933c37a3581bdcad8ecfbbcd2038e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:39.430036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089664/publication.txt
observed 1c789d82141f5edbdaec5818a0aa269b...
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.