OpenTechnical

OT-2026-000076491

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, 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-2026-000076491) never changes.

Identity and time

Publication numberOT-2026-000076491 · never reused
Internal UUID01a0ae94-6a71-7fd8-b23b-f41b8b487656 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076491
StatusPUBLIC

Content hashes

Canonical texted4acb7dde18403e9b75e59a5068bea6274b87898541a5cdcb2e104e13dc7b94
Markdown2c2003220513a03b3a1f98af0f87564c06d7300f72d3ad5d67d5cc2fa7897d32
PDF
Publication page9ac64f148cfd973b26c99d0c738fdc7f9054a2f4f45e09ff132dfab62aa5e90f
Manifestdd1636e9671e8bc282349f2b3bd43737fe1a33004d41eda8fc72fae553e48df6

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
SignaturedpoqMGc3d3wFpHYREDCcub+NuomWlpZgKHb07C7W6tcIbdPTE0bOjjhm6lo1ko1/Nu+FEl5lT1PeS/lFtXfZBQ==
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

2026-09-17T10:12:44.507561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076491
observed 9ac64f148cfd973b26c99d0c738fdc7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:44.488573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076491/manifest.json
observed dd1636e9671e8bc282349f2b3bd43737...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:44.468730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076491/publication.md
observed 2c2003220513a03b3a1f98af0f87564c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:44.447800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076491/publication.txt
observed ed4acb7dde18403e9b75e59a5068bea6...
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.