OpenTechnical

OT-2026-000071758

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, vented 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-2026-000071758) never changes.

Identity and time

Publication numberOT-2026-000071758 · never reused
Internal UUID01a0ae92-1e91-7d79-83b1-08d32daacf93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071758
StatusPUBLIC

Content hashes

Canonical textd23e1a9145c4af9cf066cf93ff5033b84d72adee3d459834dc005ed973e96df3
Markdown4deeeda6a84ceb9d8f6b7c0933c07d799e958eb84bb314b49f766ac87fb5bdaa
PDF
Publication page50139a1df20b25d8965345205a52499711af312785a451e427cf9677e70a38da
Manifestcfa3fc34630307da4cf1a26badb938dbf0f506b4619d543dc404a1ad1c4f9dbe

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
SignatureSQRkdf9MkflAT2JJlrg0PEfvGZi310gJFjplquUyBtaag6RoQr5UvPa25skryEn31wRlbsXqSgzCrVdRuAgpAg==
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

2026-09-17T10:23:55.152032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071758
observed 50139a1df20b25d8965345205a524997...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:55.134966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071758/manifest.json
observed cfa3fc34630307da4cf1a26badb938db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:55.117537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071758/publication.md
observed 4deeeda6a84ceb9d8f6b7c0933c07d79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:55.099384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071758/publication.txt
observed d23e1a9145c4af9cf066cf93ff5033b8...
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.