OpenTechnical

OT-2026-000051742

Publication integrity record

Foam pad vacuum gripper, two stage ejector, vented 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-2026-000051742) never changes.

Identity and time

Publication numberOT-2026-000051742 · never reused
Internal UUID01a0ae83-7c83-7944-b386-1ea713e7704c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051742
StatusPUBLIC

Content hashes

Canonical textee355a1339d6c6465eb4b2b824a29c5e9c95862eb65744e6b4c91a1a099b2e03
Markdown25e452f45141cf8d1cc597056b101879d0180c28aba96dbd164ddf7860440fcd
PDF
Publication page45861b0a6de0153c1627318848294b0c26343f47c4fc1c9f03f17ec1d765d32a
Manifest773c33b3799d1951b2f426b01c38ba036b9e0e307efc4763256b0ec4a10ec5d6

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
Signature+PVyVMk37zA0sOj5j77xfUkLOg59uZ2MUg4lz+70gE0EVoEkCuxvcgtay3IqwdNrEGN3nuNXARKTO29pg2IqBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:38.273028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051742
observed 45861b0a6de0153c1627318848294b0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:38.255818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051742/manifest.json
observed 773c33b3799d1951b2f426b01c38ba03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:38.238310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051742/publication.md
observed 25e452f45141cf8d1cc597056b101879...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:38.220595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051742/publication.txt
observed ee355a1339d6c6465eb4b2b824a29c5e...
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.