OpenTechnical

OT-2026-000101951

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, 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-2026-000101951) never changes.

Identity and time

Publication numberOT-2026-000101951 · never reused
Internal UUID01a0aea4-50f1-7a53-ad32-2f0e6d0497c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101951
StatusPUBLIC

Content hashes

Canonical text5bfaa1339ba4a4a8fc7498e15f3773229ec250fa7a09c62a0db172352d6c5f2f
Markdown143b8b44cccfb3270feb0c917b5f8050e168745d5990932844fcec94aa3bb59c
PDF
Publication pageda4373b369b6916c975d42cbb982f129ebb7413f165ba819ae9d1f562b8ce767
Manifest59e9d2a0118b79db443527cbd2097572823589d1552ac0f4c136d99ecb4ad999

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
Signature9ByMJTlP7jn6ElJJEt2iHC6Xo7XoRMuhxbGnEn0/hWw4AvsG/N7VBMtFELY2OLtm4q+W63xKhoHoDjGiBI05Dw==
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

2026-09-17T09:25:04.140939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101951
observed da4373b369b6916c975d42cbb982f129...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:04.120707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101951/manifest.json
observed 59e9d2a0118b79db443527cbd2097572...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:04.101733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101951/publication.md
observed 143b8b44cccfb3270feb0c917b5f8050...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:04.084122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101951/publication.txt
observed 5bfaa1339ba4a4a8fc7498e15f377322...
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.