OpenTechnical

OT-2026-000081383

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, sustained 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-2026-000081383) never changes.

Identity and time

Publication numberOT-2026-000081383 · never reused
Internal UUID01a0ae96-f375-7b7f-b6a8-ccd7325eb482 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081383
StatusPUBLIC

Content hashes

Canonical text49d869ba52633b2153ad6e8974e7170487cdc22e6677ac2fd20f5005f6abd7e8
Markdown9105282bc54efbad5dc7b2a7212bbafb6b82d79c55073e56bd548412c51e5855
PDF
Publication paged1abd46f517b5b2f698daeb3ead1189fee189a1755a3bb75c37092896bd9f342
Manifest20e83e74ee6cf51d808c170fe98305a928d9c1a1372e0d21ef8697515a9a05b6

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
SignatureWeHNb0EzBwWMXe2GeB+xms0UFWuH2lehKF0BD8HF+PxKNnTr0Ffft5UsZIsRKc2YQTutlp9YxOXuBvwKcXFBCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:01:31.394285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081383
observed d1abd46f517b5b2f698daeb3ead1189f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:31.377953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081383/manifest.json
observed 20e83e74ee6cf51d808c170fe98305a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:31.360869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081383/publication.md
observed 9105282bc54efbad5dc7b2a7212bbafb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:31.338168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081383/publication.txt
observed 49d869ba52633b2153ad6e8974e71704...
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.