OpenTechnical

OT-2026-000076581

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, plant vacuum fed, 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-2026-000076581) never changes.

Identity and time

Publication numberOT-2026-000076581 · never reused
Internal UUID01a0ae94-b06e-767c-a656-aed164040698 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076581
StatusPUBLIC

Content hashes

Canonical text86374c70934628e3c7b58a00177f6747a863943fc875b5535b4151e490da3614
Markdownfb3bf0ebfe97384a4a14d2960c8d5448dbf9b34a830aaf856eb2f5083a009899
PDF
Publication page61aaf45ca33f0f5c7355c5b335f0dfc55ab3c711f34be1c04f373fe7d50a2750
Manifest43938c645702030a258f3947ce8e3e05c5a45c76a3e98d8571f1cd12bbb00b9b

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
Signatureqg1XJsdkf4WbK9mDiSQwEWRfQhhxIURmG/SR/anN/r+cyi3qt5lQdP/snAtWNwhX2ZkK05QY/jPzXYCZOS83BQ==
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

2026-09-17T10:09:18.212154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076581
observed 61aaf45ca33f0f5c7355c5b335f0dfc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:18.193644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076581/manifest.json
observed 43938c645702030a258f3947ce8e3e05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:18.176080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076581/publication.md
observed fb3bf0ebfe97384a4a14d2960c8d5448...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:18.157204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076581/publication.txt
observed 86374c70934628e3c7b58a00177f6747...
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.