OpenTechnical

OT-2026-000103775

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, pulsed blow-off after 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-2026-000103775) never changes.

Identity and time

Publication numberOT-2026-000103775 · never reused
Internal UUID01a0aea4-e463-7eae-b13e-215ea556e912 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103775
StatusPUBLIC

Content hashes

Canonical text0e3522fb857db28b25575d37f3fe6f080bd20c25bec469c1b85e15fdcbc01d64
Markdowne246baa650794aa4623921d26fbaf073e23feca321156df39b6aa98033200a28
PDF
Publication page5ee0a81b5791ff4f0f7da506edcbf3b8fce4cbf4e21d0373946005b8c05d275d
Manifest6f6866262f2d94292387b21295ec3e71e2f07319d255d4045114bac023dac64c

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
SignatureXIfWGFZ+tHGfHaa4LysVBVGJQHWClyIKwg5cutPFnm2gYFd/v8hu9wTrPkxc1gEbPZffq8LMto6EtR+OFapFBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:43.609123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103775
observed 5ee0a81b5791ff4f0f7da506edcbf3b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:43.593191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103775/manifest.json
observed 6f6866262f2d94292387b21295ec3e71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:43.577044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103775/publication.md
observed e246baa650794aa4623921d26fbaf073...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:43.562441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103775/publication.txt
observed 0e3522fb857db28b25575d37f3fe6f08...
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.