OpenTechnical

OT-2026-000074611

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000074611) never changes.

Identity and time

Publication numberOT-2026-000074611 · never reused
Internal UUID01a0ae93-ac2a-7f84-a5d2-839927d9b8a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074611
StatusPUBLIC

Content hashes

Canonical text9c800e6f74d68e8331ea16b16499e111201d2d121c85e05e4c004cc3d1864f60
Markdown0fce1ad24128db1963238a07a97c518d53873446cb1cfa3c3b82f578f8575a49
PDF
Publication page6dcdc3b3fdfc3aa59f3f5a245b9f2a1223b0f1304456227ed47926e2c1363832
Manifestdf9f3a4d45b4a734231b0deab5aeb1f949c1caf31f390c45f890b5348263f937

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
SignaturexGia9WKbHz/NVM3VhVuTIS/JTz0WAxhJlapyqIVE634ZyKLGglZUmdFl8tnVdFsllJfO7nOzCoKGSep6101wBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:18:07.759324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074611
observed 6dcdc3b3fdfc3aa59f3f5a245b9f2a12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:07.739758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074611/manifest.json
observed df9f3a4d45b4a734231b0deab5aeb1f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:07.720674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074611/publication.md
observed 0fce1ad24128db1963238a07a97c518d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:07.700559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074611/publication.txt
observed 9c800e6f74d68e8331ea16b16499e111...
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.