OpenTechnical

OT-2026-000030714

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained 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-2026-000030714) never changes.

Identity and time

Publication numberOT-2026-000030714 · never reused
Internal UUID01a0ae74-3fb3-7aeb-bbcb-434bf04f161b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030714
StatusPUBLIC

Content hashes

Canonical text9cb299e9bb268fed047c70ecde6076142eb82195c53d1b39989ac4d28caac4c1
Markdownaa03473fbd03dcfe4cedaa6c2333c4d56bc5f1c78f9c13d084531dd3015df1d2
PDF
Publication page94d8874221064848c4eebdb1d7e40101b24371e96250d4507fdf93b82d98133a
Manifest4142ca87bd449d00ba3cf37c23795554367fdf939e0b33dc95f41e658f0ac1dc

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
SignatureOxaMZrejjTHbEPWelhsp83jWuLmhBbdyZG0KEPHnAOdtVDWquEY3poVd4p1j3FPOyYB4UYJ5Q42HlZLRUSyPDQ==
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

2026-09-17T11:36:38.308610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030714
observed 94d8874221064848c4eebdb1d7e40101...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:38.290163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030714/manifest.json
observed 4142ca87bd449d00ba3cf37c23795554...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:38.271173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030714/publication.md
observed aa03473fbd03dcfe4cedaa6c2333c4d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:38.251250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030714/publication.txt
observed 9cb299e9bb268fed047c70ecde607614...
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.