OpenTechnical

OT-2026-000052811

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, supply line pressure sensor, 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-2026-000052811) never changes.

Identity and time

Publication numberOT-2026-000052811 · never reused
Internal UUID01a0ae84-a42e-78bf-a620-11a5291d6a79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052811
StatusPUBLIC

Content hashes

Canonical texta231ba17089956dfb5c63a2a1cb632882190460ec32ffbe907f356b97d62ecbe
Markdown48be97e80bed9a87767b353fb9ac4543d3917ac9350f3301d7fc06981e3b9532
PDF
Publication page96b3becf3022236b331a8c48a29c35588021d26bb55b10f5d70af876df9e5f75
Manifestcced5a0d72ed0bb0e25ec419394586a2931b168becdd3d658f3b670dd28d3b9b

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
Signature10Ga4im0m3/X/dZL9ifwxv+i5TrCV3DyB/oSJqA3CdnZaXv/ku6pNHLge+9Kg5/UCiv9mLlsKza3LqggAVBkCg==
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

2026-09-17T10:55:49.862573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052811
observed 96b3becf3022236b331a8c48a29c3558...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:49.844173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052811/manifest.json
observed cced5a0d72ed0bb0e25ec419394586a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:49.825790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052811/publication.md
observed 48be97e80bed9a87767b353fb9ac4543...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:49.805007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052811/publication.txt
observed a231ba17089956dfb5c63a2a1cb63288...
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.