OpenTechnical

OT-2026-000008624

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, 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-2026-000008624) never changes.

Identity and time

Publication numberOT-2026-000008624 · never reused
Internal UUID01a0ae6a-e46b-735f-8d31-b010e8935f7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008624
StatusPUBLIC

Content hashes

Canonical text2a6235d7148acb46b76511c100313f9a87589dbc52fa04c08f95cef13fbdecf4
Markdown1693bc00bdc3212caaad770db2bb5d432036aa4393087af10512520bd4468083
PDF
Publication pageb839ecfb8e76df715e818172d5ed401132ef5e41aa6ffae875ae6066cad03b34
Manifest4e8e973ac7e2d6d71073c5997a8d20287857ebde672d7b6d1458c3d1fbe8f646

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
SignaturejkW7xchUPAUZYI+h+VwaJpqfzJe82lc2ZMtLjkXfAU2O77yUHjQzbGW0UCLXXDKLHrSYF7NaV+KYTv4VpCngDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:35.204889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008624
observed b839ecfb8e76df715e818172d5ed4011...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:35.184797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008624/manifest.json
observed 4e8e973ac7e2d6d71073c5997a8d2028...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:35.164589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008624/publication.md
observed 1693bc00bdc3212caaad770db2bb5d43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:35.144671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008624/publication.txt
observed 2a6235d7148acb46b76511c100313f9a...
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.