OpenTechnical

OT-2026-000043994

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, sustained blow-off after 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-2026-000043994) never changes.

Identity and time

Publication numberOT-2026-000043994 · never reused
Internal UUID01a0ae7b-d679-765a-8676-0b8d3ae1fae8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043994
StatusPUBLIC

Content hashes

Canonical textf55a40b76ad1d9e1b09f1fc8697963055dd2b01fcef40f5eb2d77ceabdb7ae29
Markdownc9cd8f643184e463ef8572da8d64bfb6b8d4e01f31e12cd4980ac4430f85280c
PDF
Publication page8448b655231718ad5b1ac27eb434d7c49a97ed612a6642fecc4fce441174e212
Manifestefcc6ddd5043eb78a9089c607a3c696cda64d43009e915c57ba4d4f17a63a115

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
Signature6Oj7zcB1ViUV7YEmLHs6nRWr7uRIeFO3zFCy7CyFmJ2ZHdaf4dU2S6esxB69MZ2+NSBGCCra5MAToZtt8PfgBA==
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

2026-09-17T11:12:22.030891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043994
observed 8448b655231718ad5b1ac27eb434d7c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:22.011827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043994/manifest.json
observed efcc6ddd5043eb78a9089c607a3c696c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:21.992773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043994/publication.md
observed c9cd8f643184e463ef8572da8d64bfb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:21.972814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043994/publication.txt
observed f55a40b76ad1d9e1b09f1fc869796305...
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.