OpenTechnical

OT-2026-000054363

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three 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-2026-000054363) never changes.

Identity and time

Publication numberOT-2026-000054363 · never reused
Internal UUID01a0ae85-b3aa-7a65-a286-92c26ab23fbd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054363
StatusPUBLIC

Content hashes

Canonical text392b4fb0d708881f753203d8b9e8c79a907da631e7fd0dc6b289070a4a57095a
Markdown3a1c237c2d946c2d9a433c8bdef37ebd2f41f6c143e0ffaca917efcd903ea898
PDF
Publication page507f5d4d2835e55cb61cb7e33498606550c8d1ba57affea82dc7c3e15fabe3b2
Manifest6ad428b0fcc76e87d07c384be509572907969ca8d3fd8b7b5d6f25e791186ea3

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
Signature5qO4XLmqa2+kct6RzXAKKa25+GdHIXc4k0MHZ+pNtdTvL1iMXhY8/thUERhfPVHsZFH2bRzYtpNvV5ysxna0Dg==
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

2026-09-17T10:54:53.225546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054363
observed 507f5d4d2835e55cb61cb7e334986065...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:53.208341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054363/manifest.json
observed 6ad428b0fcc76e87d07c384be5095729...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:53.189400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054363/publication.md
observed 3a1c237c2d946c2d9a433c8bdef37ebd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:53.171191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054363/publication.txt
observed 392b4fb0d708881f753203d8b9e8c79a...
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.