OpenTechnical

OT-2026-000060442

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, vented after 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-2026-000060442) never changes.

Identity and time

Publication numberOT-2026-000060442 · never reused
Internal UUID01a0ae8a-b7cb-7410-9dd6-2b2ab3a74b5d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060442
StatusPUBLIC

Content hashes

Canonical textf1ec7dd34714cc4d2efc935c756b679f940f1d5f7800ada749f65600b2903158
Markdownb4d4010021f4d8b3f53a049307019870d89ce98b135c3b50491ba9f9550743cb
PDF
Publication paged33a598e08f110155047b2c04ce1fbb183fcca7c3801e54bf74aeb24e354d890
Manifest422e6903f0281277b028d6f8fbc17d76883299049468688354d9a02f9532ef53

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
SignatureInwHwSj6sDGXHtORwo1a6Yt68sQ7fyhj0+T37TMpohUviEuPe61Uy1xPkmC/94QIf3mv667yJC6Ox3loESl1BA==
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...

Independent retrieval

2026-09-17T10:42:55.364586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060442
observed d33a598e08f110155047b2c04ce1fbb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:55.346679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060442/manifest.json
observed 422e6903f0281277b028d6f8fbc17d76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:55.329280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060442/publication.md
observed b4d4010021f4d8b3f53a049307019870...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:55.311338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060442/publication.txt
observed f1ec7dd34714cc4d2efc935c756b679f...
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.