OpenTechnical

OT-2026-000005776

Publication integrity record

Bellows cup vacuum gripper, two stage ejector, pulsed blow off after set down, plastic cups

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-2026-000005776) never changes.

Identity and time

Publication numberOT-2026-000005776 · never reused
Internal UUID01a0a944-7c2b-7433-aac0-db1c5be247fe · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:10:32.878629Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005776
StatusPUBLIC

Content hashes

Canonical text071473a3c86126d053ef4c1bbcbbb540b1cc1f6cfae481e7928180fdbb5ed09c
Markdown65461bf388776da52feeabc8f5682873f1461098df1d009bedef9a735243ab52
PDF
Publication page1816a6088687fafbb77653d3cf48a88ccddcc0825c175dcc683b708d6f8bb53a
Manifest922e2405aed0b6c92a1994d880991e3c86aad54b144c0b7ae8ddf14e68d899a4

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
Signature/MShYy3BZfLQqfSGmdN/YvqRFkPmkNg7w9PvloSx01E4BzBlxM607Cs+vrwdPC3BRIShn8nRmGWTCLHhr35RAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:34.193703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005776
observed 1816a6088687fafbb77653d3cf48a88c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:34.180349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005776/manifest.json
observed 922e2405aed0b6c92a1994d880991e3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:34.166038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005776/publication.md
observed 65461bf388776da52feeabc8f5682873...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:34.153222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005776/publication.txt
observed 071473a3c86126d053ef4c1bbcbbb540...
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.