OpenTechnical

OT-2026-000089928

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000089928) never changes.

Identity and time

Publication numberOT-2026-000089928 · never reused
Internal UUID01a0ae9c-428d-7e33-91bd-367f418178f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089928
StatusPUBLIC

Content hashes

Canonical textae9534c4797838d1e4fe3d1b543aed263ed2f81ff193bec036eba625cc29b58f
Markdownd8bb962ac85fe09ccaf23a1047c4fa584f3bd0ed2e7b25975ff7b99d3338defb
PDF
Publication page6618781b48874f9a9fa20169f89f2a9337cdc5bc6579ac1700d1aa78c3a8d7d7
Manifest9be5fe829a44d91ae5507f938f49c4f1af2614bb427cbcf8995ab0ff84f652c5

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
SignaturezhANpiJll19zhBdoGCIhmxVLcjJi6Ue5HKTkcg8x8YmrI/4ipPkuB4h14Wo8X2VDg5eqSNxMDI6a0ga/euZCCQ==
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

2026-09-17T09:45:12.361122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089928
observed 6618781b48874f9a9fa20169f89f2a93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:12.345717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089928/manifest.json
observed 9be5fe829a44d91ae5507f938f49c4f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:12.329392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089928/publication.md
observed d8bb962ac85fe09ccaf23a1047c4fa58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:12.313467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089928/publication.txt
observed ae9534c4797838d1e4fe3d1b543aed26...
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.