OpenTechnical

OT-2026-000079837

Publication integrity record

Four cup vacuum gripper, four zone face, three 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-2026-000079837) never changes.

Identity and time

Publication numberOT-2026-000079837 · never reused
Internal UUID01a0ae96-4376-795b-accc-e1777f6484c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079837
StatusPUBLIC

Content hashes

Canonical textd565989c53370979489375d6fd795462d1b82fa11f90b1ffb363c93bca7e430c
Markdowncad08a2721a9481b7eb0808d8368fde00e07f7a0e4c58b63a8a7b46b4c73c5fb
PDF
Publication page322784bd05c1653613f07e89d813a4abad0aba0fa91ca1f6d1ac42416c2adec9
Manifestd34f2617ebc5464a59895a475cf83813e315b2c9ba76ad87ede600f9b408d9ee

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
Signature3P88CB9ptdpFtCcoJ45jEpax0BhfdrnlEIlB/5MQNZ3/eEZSNfcm231QsuHwM6NmiOMfDHgAhKjgIJMHXucsAw==
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

2026-09-17T10:03:43.310765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079837
observed 322784bd05c1653613f07e89d813a4ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:43.293831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079837/manifest.json
observed d34f2617ebc5464a59895a475cf83813...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:43.277860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079837/publication.md
observed cad08a2721a9481b7eb0808d8368fde0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:43.260826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079837/publication.txt
observed d565989c53370979489375d6fd795462...
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.