OpenTechnical

OT-2026-000055959

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000055959) never changes.

Identity and time

Publication numberOT-2026-000055959 · never reused
Internal UUID01a0ae87-0a4a-70d8-af1d-32db7e40335d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055959
StatusPUBLIC

Content hashes

Canonical text740f65e3c22ab7f4f5a0cf656b910d143ab3c9d2f136a49b88d20d3fc47b0731
Markdown95a4e94c14d34ab091100d46743b9168806a0d1848e064dc58f38348a98d5d39
PDF
Publication page13fe32cfad1d7de35d84dc04328ef7aac64cea2c4f3eb2302552269b6d37cf9b
Manifest02c98a2b92f2ff229bdd538884a3eb1780f14fb3dd4dc9d45c787705263fc74b

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
Signaturenu2MsJzkZOURDpBtiH6mH8o+bt2AcztN2pMwDASsqZjujAXDpB/UKJdkczPsaO88ywXPxODCc/1X3XeLSnDEAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:28.796811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055959
observed 13fe32cfad1d7de35d84dc04328ef7aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:28.777810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055959/manifest.json
observed 02c98a2b92f2ff229bdd538884a3eb17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:28.759858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055959/publication.md
observed 95a4e94c14d34ab091100d46743b9168...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:28.742880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055959/publication.txt
observed 740f65e3c22ab7f4f5a0cf656b910d14...
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.