OpenTechnical

OT-2026-000069417

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000069417) never changes.

Identity and time

Publication numberOT-2026-000069417 · never reused
Internal UUID01a0ae90-b52a-7efc-b828-a4ea26b7b9a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069417
StatusPUBLIC

Content hashes

Canonical text180e4a0c27f23a283e6a275022acc5c07784bd979ffe205c80bdc9b2edc1517a
Markdownecb978cfb0a6a6dd94ae25c886bf01d8227ec3c1bb9c344c6fa95423120df688
PDF
Publication page39cfa0a8f34a4f285967c2de9752450e25de38955b1e15bcb53ffe701b330391
Manifest52af7511043aee3ed88bcfdec3a89b366aec7f190b57abd9f916b3661b4bf6c2

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
SignatureqallA3Z9D1BltNNm2aSPgDdXdDOdpm/02AAE29/OWW1B0qTByaUnMK6M7LfjDYjwTQ+CgVD6L7onWN0RVWhBDg==
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

2026-09-17T10:30:21.030598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069417
observed 39cfa0a8f34a4f285967c2de9752450e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:21.015006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069417/manifest.json
observed 52af7511043aee3ed88bcfdec3a89b36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:20.997514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069417/publication.md
observed ecb978cfb0a6a6dd94ae25c886bf01d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:20.976884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069417/publication.txt
observed 180e4a0c27f23a283e6a275022acc5c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:01.259601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069417
observed 39cfa0a8f34a4f285967c2de9752450e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:01.241814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069417/manifest.json
observed 52af7511043aee3ed88bcfdec3a89b36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:01.222981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069417/publication.md
observed ecb978cfb0a6a6dd94ae25c886bf01d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:01.204323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069417/publication.txt
observed 180e4a0c27f23a283e6a275022acc5c0...
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.