OpenTechnical

OT-2026-000080640

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000080640) never changes.

Identity and time

Publication numberOT-2026-000080640 · never reused
Internal UUID01a0ae96-7e79-735a-81d5-d2a9af8e03c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080640
StatusPUBLIC

Content hashes

Canonical text61f3af849a2679c607a2a223c6458e82b6538282ae9407bb488bbbb7753d72a6
Markdown814d7a5ea2d60caeca288ad5ed24c6b59fc89870b05fa7de9e748165f09e6efb
PDF
Publication pageb7cdd83e1ccc371e430f3bab0a371080bc3c59edaf7088bede0ee5dab16b6a50
Manifestce02a5415daa854ef581ac7cf82749c519d39568e5716ffff8240f99e9aad18b

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
Signature+3mMl8v9rgHyi+qOVp5PYKq3nB9XzgG5wgWYqGdZu9buElvxVbMayA7pK3Q3/hT7NyLntuYhi4Lb1RF0H0taCg==
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

2026-09-17T10:03:18.161088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080640
observed b7cdd83e1ccc371e430f3bab0a371080...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:18.140569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080640/manifest.json
observed ce02a5415daa854ef581ac7cf82749c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:18.118250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080640/publication.md
observed 814d7a5ea2d60caeca288ad5ed24c6b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:18.096130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080640/publication.txt
observed 61f3af849a2679c607a2a223c6458e82...
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.