OpenTechnical

OT-2026-000102356

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, 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-2026-000102356) never changes.

Identity and time

Publication numberOT-2026-000102356 · never reused
Internal UUID01a0aea4-8589-7d53-b878-31508090f76a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102356
StatusPUBLIC

Content hashes

Canonical textea96282c0b217eb09c3e88f29ff2cef2339bc9f9f6512aabcf204beaa70bba4c
Markdowna440cb4fe3cf23e48b7799a7b79ccf7ea099ec30ec6dcb1e5df3daac5cb532ba
PDF
Publication page90c8a1763bc408c008e0c102d1611a021a335bfb600cc789639aa3120450a948
Manifestcb54d3370d8198e42d055486cbdf4d71f6738f4b2229f2afdadaf8bf58e3737e

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
SignatureJJOxFaLesToy9RGNqlG1cpNGMws3CwhpVzTUaAP2D/W/XPpAHkmAsajShLhIxD8fWVhDldagT12/SNKEri+BAg==
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

2026-09-17T09:23:41.542056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102356
observed 90c8a1763bc408c008e0c102d1611a02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:41.524482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102356/manifest.json
observed cb54d3370d8198e42d055486cbdf4d71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:41.507958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102356/publication.md
observed a440cb4fe3cf23e48b7799a7b79ccf7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:41.490550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102356/publication.txt
observed ea96282c0b217eb09c3e88f29ff2cef2...
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.