OpenTechnical

OT-2026-000055841

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000055841) never changes.

Identity and time

Publication numberOT-2026-000055841 · never reused
Internal UUID01a0ae87-0a49-7ce8-875e-849de3602d2e · 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-2026-000055841
StatusPUBLIC

Content hashes

Canonical text32e5ae2fd67a7e59ba1862fbd153c7ecb071396592adc972b07389fe9083d450
Markdown812cc73d2c594b6b5aacb3c848f0c248d6a3e504890da136eb16f420a632b250
PDF
Publication page3d40ae5ec413d29e71ae4991974dd20ea8556e10e753eeb4a4aadb87bdbdd2dc
Manifestf8d5580515d8d62d4fe79040862f7911781345c288bd01c609cddaec55a6bb99

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
SignatureW4OI2vKBe0kzdI2gEg+H5Oel8yvapQkFw8n1TLgyIr9BHHpYwkY3Cs2Zr7970rX2vKPkjw0IJ9kF0prKu4lxCw==
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

2026-09-17T10:51:13.754359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055841
observed 3d40ae5ec413d29e71ae4991974dd20e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:13.736664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055841/manifest.json
observed f8d5580515d8d62d4fe79040862f7911...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:13.717593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055841/publication.md
observed 812cc73d2c594b6b5aacb3c848f0c248...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:13.698991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055841/publication.txt
observed 32e5ae2fd67a7e59ba1862fbd153c7ec...
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.