OpenTechnical

OT-2026-000079297

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000079297) never changes.

Identity and time

Publication numberOT-2026-000079297 · never reused
Internal UUID01a0ae96-0b90-74d2-bf70-16d573a8f79a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079297
StatusPUBLIC

Content hashes

Canonical text7aa22dda9646eac22a36aaa1b8122e8b8dbab0d1c4d38e868380fd529ec331d7
Markdownd24d5c44f39cc22a40d6f5f687bcae9167807a81d365c7b379cac990bdc2a8aa
PDF
Publication paged96da2044681bb144110147e158673250a497013c1cc4568e924e1e69a5ad9ac
Manifestc81cca898a5d7c646abf66e429485bf2dd078d707df2fca6e9f1589b729744e4

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
Signaturehi+jAcHo2mkvadWav/diUM/mlYLtemInluHN1ni4qknV+9/zj9nYUc1QQ3/oR+p3w/O0Vx+l44Ot13aTZJ60AA==
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

2026-09-17T10:04:54.122436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079297
observed d96da2044681bb144110147e15867325...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:54.104185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079297/manifest.json
observed c81cca898a5d7c646abf66e429485bf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:54.086518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079297/publication.md
observed d24d5c44f39cc22a40d6f5f687bcae91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:54.067492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079297/publication.txt
observed 7aa22dda9646eac22a36aaa1b8122e8b...
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.