OpenTechnical

OT-2026-000068878

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000068878) never changes.

Identity and time

Publication numberOT-2026-000068878 · never reused
Internal UUID01a0ae90-6dcc-7250-8193-abf02d210967 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068878
StatusPUBLIC

Content hashes

Canonical text461cc94422e01185ab223aca267c4916550f1f7ea9fb171043e48d29c9e74d3c
Markdown7320a738c25b348e1b5ef589c05c06793ca7b8351f1daf84763397664fe84f78
PDF
Publication page487e70330e4b6daf0ad0f40d3dc4fe76a83d7dfad563c15c408cf8965bd05644
Manifest1e9c8206993665feaae92a518642f4b5b3fe51b133942d1a882d20fbbb5136f7

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
SignatureY8uCOTBVyy5cW645j/8btuZ/776/SkbVls4X22awh5IRKHl5kaUtOCc5rfjmrBeYULltW1+aHcm3p17lbJ2cAQ==
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

2026-09-17T10:28:41.647366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068878
observed 487e70330e4b6daf0ad0f40d3dc4fe76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:41.630673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068878/manifest.json
observed 1e9c8206993665feaae92a518642f4b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:41.613346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068878/publication.md
observed 7320a738c25b348e1b5ef589c05c0679...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:41.596165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068878/publication.txt
observed 461cc94422e01185ab223aca267c4916...
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.