OpenTechnical

OT-2026-000045383

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, 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-2026-000045383) never changes.

Identity and time

Publication numberOT-2026-000045383 · never reused
Internal UUID01a0ae7c-f76c-7187-874e-c358018f60c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045383
StatusPUBLIC

Content hashes

Canonical textd46013a089cc871f86f9b3ac9726c23bfe3d67c6359ced866ffc4c07c67d7dfc
Markdownd0255b5bc77422831cedee5be873ce8b1e9c1146a6fdc5e9da96cc975cc303f1
PDF
Publication page63423cf968e92fe5f1ad5680c911933af2ba438f031ca6efedf6d0ee4c3a5de0
Manifest61cff85802c5a48f689bc625554fd30d8dbaa1dd9ddeb68670f0fa978b843e41

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
SignaturegKs8KEseai8TeWLGkQ2QkjIzsy8DJ/XyH1ZDKhDzpph+Eyr+sAZ+XfZzYiSUhczhr9pSt0ytHE37QQF1BMREAQ==
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

2026-09-17T11:10:39.776359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045383
observed 63423cf968e92fe5f1ad5680c911933a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:39.758109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045383/manifest.json
observed 61cff85802c5a48f689bc625554fd30d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:39.741581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045383/publication.md
observed d0255b5bc77422831cedee5be873ce8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:39.723213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045383/publication.txt
observed d46013a089cc871f86f9b3ac9726c23b...
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.