OpenTechnical

OT-2026-000025161

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, supply line 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-2026-000025161) never changes.

Identity and time

Publication numberOT-2026-000025161 · never reused
Internal UUID01a0ae71-5fa5-7b4d-aa2d-c7eed128bc96 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025161
StatusPUBLIC

Content hashes

Canonical text4f4c71ab2be5fd83ddfee2d92eb1a5c66fdbd3aafd11f525e3ead633b950a367
Markdown5d579b8eb39c98919441a0c57d22eceb70527a28adf6a0b5e443a28d74bea18b
PDF
Publication page52ab3e1114cf95a0c6df9ec10027863534eba83fb0927d533294bdae1ce6cc1b
Manifestf698a0a1f76471d97a0ec58f4db8735a486046ba876fcec72951ac29af61f982

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
Signatureymvp010BMhSQtoRYIP20/302RFPgfCyu1gVVxZN4fKhq5sa6cXvWXD0gavphQuRkk97nWAcv/1KwsnTDK3GyAQ==
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

2026-09-17T11:47:03.094181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025161
observed 52ab3e1114cf95a0c6df9ec100278635...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:03.077246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025161/manifest.json
observed f698a0a1f76471d97a0ec58f4db8735a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:03.058672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025161/publication.md
observed 5d579b8eb39c98919441a0c57d22eceb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:03.037174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025161/publication.txt
observed 4f4c71ab2be5fd83ddfee2d92eb1a5c6...
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.