OpenTechnical

OT-2026-000056464

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000056464) never changes.

Identity and time

Publication numberOT-2026-000056464 · never reused
Internal UUID01a0ae87-4bd3-7f4e-b566-b87b9a2bc51a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056464
StatusPUBLIC

Content hashes

Canonical textce7ef0bb45be54ebbbf950b55f79b3c593749094323b76a58e9d913e7da24409
Markdown0acb29ece142025170e49466ccd969432b6ef0edbbac47611d45fe2a49888529
PDF
Publication page8c8946c99a0bc6fda8addc2cd15442a650c8c4e7251f5c651a021019861dbb40
Manifestd0f22a60df46eaf4732e5d10c03bd6c69bd77e089287248e7ed663131f9fb9af

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
SignaturehiwP7din7R8zkyCApR2rxz4nqKig5Yq2d8oEkfTqIiwcKcVK3zcayy74y9rCEhSQCeFxKTJq6bk84zpkYT+xDQ==
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

2026-09-17T10:51:00.219852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056464
observed 8c8946c99a0bc6fda8addc2cd15442a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:00.201911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056464/manifest.json
observed d0f22a60df46eaf4732e5d10c03bd6c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:00.181707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056464/publication.md
observed 0acb29ece142025170e49466ccd96943...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:00.164987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056464/publication.txt
observed ce7ef0bb45be54ebbbf950b55f79b3c5...
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.