OpenTechnical

OT-2026-000005688

Publication integrity record

Vacuum cup gripper, two zone face, ejector fed, pulsed blow off before set down

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-2026-000005688) never changes.

Identity and time

Publication numberOT-2026-000005688 · never reused
Internal UUID01a0a941-7eb6-7b0e-8221-c86f1d7eede8 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:07:16.921053Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005688
StatusPUBLIC

Content hashes

Canonical text1b09f7777254cde43dac7404d003672bf2bcec0872e2c5063f6d34cc56e04f04
Markdown58431cf3ef0de171e01fe76857f4772db8ee9989c908fa9c44bc66e23823aba3
PDF
Publication page3aa073e29e1004dfdc519fa6d77c9bf974fc079e27d3575d7f2d593aa27155d0
Manifeste213fd4d0fe907b8a36017e1e52832e2c95f850cad27351b5aa71577f42903eb

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
SignatureoQM0Wy2sp5hARoPpYGiKbsuHqw8qa1v4F8psjpbOLwvt6JcA/7SAuWoJH9jVOAwWWNymK/y5gE/xQp9GTU8hCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:10:11.650927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005688
observed 3aa073e29e1004dfdc519fa6d77c9bf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:11.637941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005688/manifest.json
observed e213fd4d0fe907b8a36017e1e52832e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:11.623133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005688/publication.md
observed 58431cf3ef0de171e01fe76857f4772d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:11.486676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005688/publication.txt
observed 1b09f7777254cde43dac7404d003672b...
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.