OpenTechnical

OT-2026-000074850

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, vented before 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-2026-000074850) never changes.

Identity and time

Publication numberOT-2026-000074850 · never reused
Internal UUID01a0ae93-ac2c-73c0-afa0-22a87549640d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074850
StatusPUBLIC

Content hashes

Canonical text8360c659e3e338f05c0939c2d35449730d2c67a1517028ef3772718259d56975
Markdowne790fbbd8e3be154409482c7fe96fb8317b8617f5c2e6dfcaf86feba5aed943b
PDF
Publication page6a6c5e11d0190ca34ee067a5f2a5791ad87e80efe9c07dbf407186dad53aae18
Manifest061a0ea6495be38c45ec5db3964925b4a905675a1c3abf886eb2f6ee835ca1fc

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
Signatureun02Ywk3bB0O1mynir0t4lBHFDs3n0WEwNmvjYNDSevXRGa4ZwFa75nnhalfyJPphPN14RRWBxld3StF3v6LDQ==
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

2026-09-17T10:18:33.822187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074850
observed 6a6c5e11d0190ca34ee067a5f2a5791a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:33.804469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074850/manifest.json
observed 061a0ea6495be38c45ec5db3964925b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:33.788238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074850/publication.md
observed e790fbbd8e3be154409482c7fe96fb83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:33.769539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074850/publication.txt
observed 8360c659e3e338f05c0939c2d3544973...
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.