OpenTechnical

OT-2026-000095085

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000095085) never changes.

Identity and time

Publication numberOT-2026-000095085 · never reused
Internal UUID01a0ae9f-2df1-75a3-83be-37e7c36657f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095085
StatusPUBLIC

Content hashes

Canonical text62d676b9ca410691c6056766e7886a972e4c499c7d86acd2e7b89c91cbc80f39
Markdown374d6ad5b847e602873b1655ec2bd3068f6fd83ce7d81a4b25ed458fea7966b3
PDF
Publication pageb51ee69fdcfb7eafb3b8c5f1d376c5a96f7c9a6bc01f24f8974ba1a6486d6646
Manifestbb59008e7ee1c45b01d6d693385dc11e2cb671f881653981c04b7fc41b3e1f3f

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
Signature3oW6/a7cB6sBHr53XUXzuCu/H1OxsHBMk0i9c/x5unmI9f4XMvBmIwb6a6YioGKuaFEgQ5EcmpHCd4aFmk2qCQ==
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

2026-09-17T09:37:39.530280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095085
observed b51ee69fdcfb7eafb3b8c5f1d376c5a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:39.512671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095085/manifest.json
observed bb59008e7ee1c45b01d6d693385dc11e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:39.495380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095085/publication.md
observed 374d6ad5b847e602873b1655ec2bd306...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:39.477702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095085/publication.txt
observed 62d676b9ca410691c6056766e7886a97...
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.