OpenTechnical

OT-2026-000103712

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, two 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-2026-000103712) never changes.

Identity and time

Publication numberOT-2026-000103712 · never reused
Internal UUID01a0aea4-e462-745e-89e1-ab028e551175 · 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-2026-000103712
StatusPUBLIC

Content hashes

Canonical text61b3bf6c1767906c3f7b40a35c97dde412308291c6f33390cf3d72f86a96367e
Markdown02f4314db1674051f773a5271208cfc8f2e849ffb3fbf422451f4d7cabd7dcc2
PDF
Publication pagec8f829cc2280725532cbbc173bce032fb5e79e468d32f6f6a50998ba02da2b02
Manifest76fbfc5b188dc47eaa627523a4281b2cf40bab7056e0c25749bd88d59a888885

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
Signaturei7iAHq9PpvmK3xPbYiYR+1A8/NR5v1LqsQKrUfifVCZT1Bpk/HtB7v510pkNpmNpVyoqXscaFXVw3y815clyBw==
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

2026-09-17T09:22:31.464050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103712
observed c8f829cc2280725532cbbc173bce032f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:31.445091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103712/manifest.json
observed 76fbfc5b188dc47eaa627523a4281b2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:31.426520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103712/publication.md
observed 02f4314db1674051f773a5271208cfc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:31.409164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103712/publication.txt
observed 61b3bf6c1767906c3f7b40a35c97dde4...
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.