OpenTechnical

OT-2026-000101510

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, 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-2026-000101510) never changes.

Identity and time

Publication numberOT-2026-000101510 · never reused
Internal UUID01a0aea4-0e14-7d4b-9b79-c47158ede13e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101510
StatusPUBLIC

Content hashes

Canonical text67d745724d67c049fe9339ff85d5e8db11d83bc6690bbebf8777c129bcccea1e
Markdown7623c122acb3f3ccf1b5c8a6f5fda815ae0f9dc69d490b309abbd7f9c11b457e
PDF
Publication pagebb76e76c3db31ca9b0e5238571d854a7dd144e2407a74352e41ba807dddffccf
Manifestec0ca0ac097b577e503e31a5e253a1e6842425974ddab8a97c5457f4778ff539

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
Signaturer1i2tM9DoTE+iXns3Cw2jLKTEXF0SaI1dk1/EbEaCjnhoQnOFL7f6DsOxIGrqOI6lcxyex6V1C742tomAW7ZAA==
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

2026-09-17T09:26:06.685856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101510
observed bb76e76c3db31ca9b0e5238571d854a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:06.668052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101510/manifest.json
observed ec0ca0ac097b577e503e31a5e253a1e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:06.649910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101510/publication.md
observed 7623c122acb3f3ccf1b5c8a6f5fda815...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:06.629819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101510/publication.txt
observed 67d745724d67c049fe9339ff85d5e8db...
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.