OpenTechnical

OT-2026-000017160

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000017160) never changes.

Identity and time

Publication numberOT-2026-000017160 · never reused
Internal UUID01a0ae6e-76c7-77de-b2b8-08bea3be610f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017160
StatusPUBLIC

Content hashes

Canonical text6509f94fc836ca23e169ad3c8853211ab6b3173aaa9afd8959beb2a04cbfe529
Markdown6fe1863024d0450d39afa3178bbe71ddcbc60f206b6a7e6579464ec957a813f1
PDF
Publication pageb50b05431a623b82dc5b56ec07a07e67688426019838ce0883423b41c1435b5e
Manifestd364e809fe99c98980d22507598e470989c05e91f900d88d9700153d9d10ac4a

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
SignatureNhZeuBpt3A9LjwRIR+ytGL2b3lw6vr1aijFk6BuEHEiw9QOIlp+r59G9E4t1HRQ0xGwpn9pj1qX5E7H4C1cVCA==
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

2026-09-17T12:02:13.508339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017160
observed b50b05431a623b82dc5b56ec07a07e67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:13.490883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017160/manifest.json
observed d364e809fe99c98980d22507598e4709...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:13.474066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017160/publication.md
observed 6fe1863024d0450d39afa3178bbe71dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:13.455708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017160/publication.txt
observed 6509f94fc836ca23e169ad3c8853211a...
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.