OpenTechnical

OT-2026-000079765

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, sustained 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-2026-000079765) never changes.

Identity and time

Publication numberOT-2026-000079765 · never reused
Internal UUID01a0ae96-4375-7586-b3f9-0293c6ce850a · 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-2026-000079765
StatusPUBLIC

Content hashes

Canonical text3be047fb046c4f4590e4f962c323a54da567b4130f98f4e93eb26357cfebdc07
Markdown8eab494c812f8528f531d8bf6258f596821e34a29c40499ebeb57551aaa79ec4
PDF
Publication page587721b9165200872411fc342e9e418475ba4eae6fc6aa0823bbc30996b63a28
Manifest3c8d4b6649713997c5a05faaa29fac301a6c6559ea20be78e9b3e7220bd0bc4c

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
SignatureBjPQTPtzCfrg4lDixXpkNpDFKycP634drTDRgVUOa2Akf+G9EdipETjKZ1pGCBe9AhfTgxeIHkiNeVUptxmTBQ==
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

2026-09-17T10:03:38.172992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079765
observed 587721b9165200872411fc342e9e4184...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:38.153891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079765/manifest.json
observed 3c8d4b6649713997c5a05faaa29fac30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:38.135895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079765/publication.md
observed 8eab494c812f8528f531d8bf6258f596...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:38.117048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079765/publication.txt
observed 3be047fb046c4f4590e4f962c323a54d...
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.