OpenTechnical

OT-2026-000003834

Publication integrity record

Bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector

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-2026-000003834) never changes.

Identity and time

Publication numberOT-2026-000003834 · never reused
Internal UUID01a0a90b-3285-7bb6-8127-aceaa4e797e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:58.472119Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003834
StatusPUBLIC

Content hashes

Canonical text81b9d08a1bb460400b7d5ffdd42916b6df3928cab542c441330799a93a8b14d6
Markdownf50902f00c02b49c50da05be976d7741d8c72c5cb10405b1530637bfb7dd34a5
PDF
Publication page3e2f971e97fdb5572e46918597ba7ff25df81673cacaba225e16ab7395de2f5f
Manifest0f24d619a1972aae6fa3887420ee48880dae62d00958b11774f3e6b3141c690a

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
SignatureAsFzamKpmgXlcqtFSg1vG6c6lQMA9k86lk4NDAumAg5mw+A4KqqRjaIa4+ZVnmpE2b4RlvR8f5hTWh9JJFOEAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:17.557557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003834
observed 3e2f971e97fdb5572e46918597ba7ff2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:17.543603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003834/manifest.json
observed 0f24d619a1972aae6fa3887420ee4888...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:17.528990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003834/publication.md
observed f50902f00c02b49c50da05be976d7741...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:17.514198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003834/publication.txt
observed 81b9d08a1bb460400b7d5ffdd42916b6...
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.