OpenTechnical

OT-2026-000077881

Publication integrity record

Two cup vacuum gripper, two zone face, three 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-2026-000077881) never changes.

Identity and time

Publication numberOT-2026-000077881 · never reused
Internal UUID01a0ae95-2ed0-7cd9-89b9-982d55bd0e83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077881
StatusPUBLIC

Content hashes

Canonical textadfdbc348d4af8867d65c5fe2ace33527dbcb6d83be18ceb6d44036e04a9331a
Markdownc387dc2bc4bdc57a413b25e60b00a00455ee6c4e01429540bab2a2d76cd1fdd1
PDF
Publication page20ad574a41067a6a5bc8b780a362de9604a65f233b62891c5eb2ec0c083b4882
Manifest17619448f237b477ce44a6c433891de82b7193a4d5147ba4407ec4a85fc0d14f

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
Signaturecb7Mu30TyhbOOGgmjfS8jiX+sDqpvLG+gL/i4aNJwq6xbBVJvsvZgMPGH0zsqNdWyWjnuHsQoud/2lPNagYFBQ==
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

2026-09-17T10:07:37.521380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077881
observed 20ad574a41067a6a5bc8b780a362de96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:37.501096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077881/manifest.json
observed 17619448f237b477ce44a6c433891de8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:37.479683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077881/publication.md
observed c387dc2bc4bdc57a413b25e60b00a004...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:37.460230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077881/publication.txt
observed adfdbc348d4af8867d65c5fe2ace3352...
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.