OpenTechnical

OT-2026-000103628

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three 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-2026-000103628) never changes.

Identity and time

Publication numberOT-2026-000103628 · never reused
Internal UUID01a0aea4-e461-703e-af76-70523b606cee · 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-2026-000103628
StatusPUBLIC

Content hashes

Canonical textd41a5d5773be8d085f06e476ab5afd4967a5b4eba9bd9c367a7e3a928979785f
Markdown031629fd128215a63ea4de310e78ff4d5b76165cfae7b6375fac1c02d4fada0a
PDF
Publication page2a24ac56cfb2099e8b7e5e344717ef5d5793bf0d725f16f32b678f90d20de65c
Manifest4c76d5bd6653be5338b5b74ad020b84e128faeb151ca7139da55ac9177ff4851

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
Signature1QBEAAIjL2RanHcKnNadPGoD6exaP9hkgsgcMWJQWlYWsKzcps93RnlDQ3nv+124IBgr2vd4DlUbEw8Zly4kAA==
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

2026-09-17T09:22:25.383143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103628
observed 2a24ac56cfb2099e8b7e5e344717ef5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:25.367008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103628/manifest.json
observed 4c76d5bd6653be5338b5b74ad020b84e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:25.350147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103628/publication.md
observed 031629fd128215a63ea4de310e78ff4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:25.333569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103628/publication.txt
observed d41a5d5773be8d085f06e476ab5afd49...
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.