OpenTechnical

OT-2026-000043720

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, pulsed blow-off 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-2026-000043720) never changes.

Identity and time

Publication numberOT-2026-000043720 · never reused
Internal UUID01a0ae7b-92d1-7d91-ad37-c7b18d927c9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043720
StatusPUBLIC

Content hashes

Canonical textc6c96f719b9a9ea80f8325a5389c35b5049852bf14b81ccbf0075e2a08118475
Markdowna2ca998be645c139bfa706d17fbd02ab03095189626ed6e86cd93cd519d5c877
PDF
Publication page99e98ffc72e9b55e25f55f451990cae443fcd36402160ef0abac871af8a0883b
Manifestc4369d2a740d10a0a5b4f9d8ef26e565fd98d2181b657b083c4fd2079408c9d0

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
SignaturepM3OwDluKxL/d+1RpAY73hfwj8YjT0Ujnz+0WRizmqX8l0Q5Zx9h67G8g3Lva4bFy4/zLFLhvg1RxNL95qJ6Ag==
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

2026-09-17T11:13:13.335364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043720
observed 99e98ffc72e9b55e25f55f451990cae4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:13.317988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043720/manifest.json
observed c4369d2a740d10a0a5b4f9d8ef26e565...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:13.296750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043720/publication.md
observed a2ca998be645c139bfa706d17fbd02ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:13.276459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043720/publication.txt
observed c6c96f719b9a9ea80f8325a5389c35b5...
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.