OpenTechnical

OT-2026-000061244

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000061244) never changes.

Identity and time

Publication numberOT-2026-000061244 · never reused
Internal UUID01a0ae8b-1382-7908-960a-57ab3eba3493 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061244
StatusPUBLIC

Content hashes

Canonical text06011495ff0eb5fe5e64cd51d9194ecf98f64828a8f7672075a70c3f7c0e6c65
Markdown42ac59a3a85aa76342c2501e3667521ac6433c58945c10fe8b8483227932c61a
PDF
Publication page59b77e275690b2e7b6b7a0ab71659eb44b157313f9024c196db5692ce6d1067e
Manifest7a25293395c944a3c8204e8de59bd5ecba2e8435d06b7dcfc59d48f2ed14ee5c

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
SignaturexEOP/6LMKh03DGXbyuVFmSK1CqaX/aS2nzgrdhrc12NMAj+0uNHF7fcBH4fqZ0RIFqDA9Qr9bBq8WbmZLVPYAQ==
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...

Independent retrieval

2026-09-17T10:42:39.436882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061244
observed 59b77e275690b2e7b6b7a0ab71659eb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:39.418590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061244/manifest.json
observed 7a25293395c944a3c8204e8de59bd5ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:39.401981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061244/publication.md
observed 42ac59a3a85aa76342c2501e3667521a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:39.383165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061244/publication.txt
observed 06011495ff0eb5fe5e64cd51d9194ecf...
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.