OpenTechnical

OT-2026-000068804

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four 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-2026-000068804) never changes.

Identity and time

Publication numberOT-2026-000068804 · never reused
Internal UUID01a0ae90-6dcb-71ad-9a74-0d8f228e5e57 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068804
StatusPUBLIC

Content hashes

Canonical textb84c18fb9b21f2df2dbe033ea81d5364f04822b54caf3c0fa10cc0557b9192a2
Markdown4fbed2b3f875688b0dd8121d125dcbfbe4139898a43c30c500e0e58c5ba95513
PDF
Publication page37a84407d0623eae903e55999eb46322d6f648589478905eeb6a490337715ae7
Manifest7fe601c775fa00de955032a21eff7c21adb46c47345907f902425ac6173cd1e3

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
Signaturea3aU7G1fud5rieDTK44Tv07H3h4mRw2qlLJC2o+Q4lU/gy7uz+4pva41HBoQJcb60XIYU2iM1wdXpJFgTtGXBw==
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

2026-09-17T10:28:36.355679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068804
observed 37a84407d0623eae903e55999eb46322...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:36.338159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068804/manifest.json
observed 7fe601c775fa00de955032a21eff7c21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:36.322449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068804/publication.md
observed 4fbed2b3f875688b0dd8121d125dcbfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:36.304220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068804/publication.txt
observed b84c18fb9b21f2df2dbe033ea81d5364...
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.