OpenTechnical

OT-2026-000015140

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, pulsed 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-2026-000015140) never changes.

Identity and time

Publication numberOT-2026-000015140 · never reused
Internal UUID01a0ae6d-ef47-7534-8876-2749deb53909 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015140
StatusPUBLIC

Content hashes

Canonical text3820b305f9d899f6c40e458fc5fb1581067dd6973d7c774cc29ad1041ee2f5dd
Markdown66d9ca08f774ba543b90c5eb3ee507556a036e618488e53672b052574c32ae92
PDF
Publication page5a83c625bb324255cf8c6150c7444c6611664f7f22daecc0dbf91e4be66f5afb
Manifest04706728cc6086aeb6b918481d7452df909d91e09290ae98d026aab48118f6b0

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
SignaturekPy9hRR/bLmhUpoM+G2r4r0JJom5VMwHQOTbsf4N6gontrrnBLoUEaBIjIgo/w+8RnBQF6TViafKn+wIS0wvBQ==
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

2026-09-17T12:05:44.630632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015140
observed 5a83c625bb324255cf8c6150c7444c66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:44.611607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015140/manifest.json
observed 04706728cc6086aeb6b918481d7452df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:44.590580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015140/publication.md
observed 66d9ca08f774ba543b90c5eb3ee50755...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:44.570120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015140/publication.txt
observed 3820b305f9d899f6c40e458fc5fb1581...
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.