OpenTechnical

OT-2026-000079505

Publication integrity record

Three cup vacuum gripper, three zone face, single stage ejector, sustained 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-2026-000079505) never changes.

Identity and time

Publication numberOT-2026-000079505 · never reused
Internal UUID01a0ae96-0b91-7fce-b720-50c30ef212ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079505
StatusPUBLIC

Content hashes

Canonical textb0e1725fe7813f4f31a3a1d4bbf407471233aa7a177b9cb9d09af67197f6f017
Markdownb3011d1056162a809ae44b48f11a7c170751eda826df8c6b3ec9ebb98a9fb6f1
PDF
Publication pageefa9d13c37b38b1d0e1365ccf96e3dfb6efda5f38dfd144c49611a6fac2067f4
Manifeste71801055e0a0bbcdfb3de07f459e16f75000ffd315517a72d62108e828e4dfe

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
Signature7Te0GPWu/jQA6Yag9U6loq9H5TNhRb3tSOpSOI8yZO3taXnv2zLAIrGtGjEaQkkcNXYxlK+vULguNEmdEvVnDQ==
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

2026-09-17T10:05:08.635033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079505
observed efa9d13c37b38b1d0e1365ccf96e3dfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:08.614804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079505/manifest.json
observed e71801055e0a0bbcdfb3de07f459e16f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:08.592504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079505/publication.md
observed b3011d1056162a809ae44b48f11a7c17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:07.747765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079505/publication.txt
observed b0e1725fe7813f4f31a3a1d4bbf40747...
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.