OpenTechnical

OT-2026-000044312

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, pulsed blow-off after 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-2026-000044312) never changes.

Identity and time

Publication numberOT-2026-000044312 · never reused
Internal UUID01a0ae7c-39d6-7ad3-8b0e-a971fb03c969 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044312
StatusPUBLIC

Content hashes

Canonical text64ddd6c467a6b93675b596ed01f471d7e0f3edecf45a5a4f33bce42fdc057438
Markdownd7bab5165cdb81677769ace41dbed759c5b4cb96579d293b5aacab8717556af6
PDF
Publication page4141f887fd86abe89c5845e1d4b7e7e221e458133bbcaf1119fec4754eb0dc0c
Manifest43ff9a9363f94e57ba412e12dcd3798453d5bc3a507fefa1fff94c2456fd7d48

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
SignaturewJ08bQ2nEOMy03M+TtVQ47u5pPRH3FV5ZS74D9MdSAbGBR5eylwp7aKSPbkI24Wed0Izpdave9rlXM1jlPSYBQ==
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

2026-09-17T08:30:17.990816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044312
observed 4141f887fd86abe89c5845e1d4b7e7e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:17.973539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044312/manifest.json
observed 43ff9a9363f94e57ba412e12dcd37984...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:17.831861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044312/publication.md
observed d7bab5165cdb81677769ace41dbed759...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:17.805894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044312/publication.txt
observed 64ddd6c467a6b93675b596ed01f471d7...
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.