OpenTechnical

OT-2026-000073251

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000073251) never changes.

Identity and time

Publication numberOT-2026-000073251 · never reused
Internal UUID01a0ae92-efb6-7e45-ac6a-8101d3fae7a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073251
StatusPUBLIC

Content hashes

Canonical text6773950e806bdb32a3f9d5b088da888deec410e9be0752b1272f68cebc4eb9f7
Markdown43cc52a5a72f211d0a45d40f28086f12cd73bc6eeaf02053e3df6e2c04e24e42
PDF
Publication page32190ef1d50369e64af67d9b1de3d840e3d39b41a45804be5e3a78dc1bef3a1a
Manifest558440e86f5b2f1d59f1c71966aa7332558869b9e1ad77b65a17e59e5ed38dda

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
Signaturezt0sWsAdgaUaZ1TMR3Vsg7RZZmNO02+9snEQ05Al2gKRdjBnSJ8zQhz+Uj6INXTyIAKGtNDPBUahVNUukKhqAw==
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

2026-09-17T10:21:14.641575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073251
observed 32190ef1d50369e64af67d9b1de3d840...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:14.621699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073251/manifest.json
observed 558440e86f5b2f1d59f1c71966aa7332...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:14.600585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073251/publication.md
observed 43cc52a5a72f211d0a45d40f28086f12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:14.583041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073251/publication.txt
observed 6773950e806bdb32a3f9d5b088da888d...
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.