OpenTechnical

OT-2026-000016887

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, 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-2026-000016887) never changes.

Identity and time

Publication numberOT-2026-000016887 · never reused
Internal UUID01a0ae6e-591a-7413-9610-67bd49fdce17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016887
StatusPUBLIC

Content hashes

Canonical text6db4ddad2a7ab5195e446ee4a2a0351ee69f7b00106d6af90ecc5eb17a6316bc
Markdownb2e4936bd22ab14d0ad69600d45301c44c8a799e7eb55192e7f896ec68e1509a
PDF
Publication page9666159d532180e13f4de1f6ee899b5e390c31962773bc8d66e44ed93d03497d
Manifeste343b04d03ac079aa3e06cf8d274dfddd69c3b2520bcc2796ed46f3adc846be4

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
SignatureWsCBCWARhd74XvXE6B5ZMvTyVkAD+0R09ldrfHWSNriWrvunI8StF0ZeGRMW5tpL+TFcbU/TImvUWLUTU/IhBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:03:09.557493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016887
observed 9666159d532180e13f4de1f6ee899b5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:09.542542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016887/manifest.json
observed e343b04d03ac079aa3e06cf8d274dfdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:09.525884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016887/publication.md
observed b2e4936bd22ab14d0ad69600d45301c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:09.508637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016887/publication.txt
observed 6db4ddad2a7ab5195e446ee4a2a0351e...
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.